Knives, collection knife, tactical knives, outdoor knives, pocket knives and tools
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ExtremaRatio - Contact Knife Black - tactical knife
Intended use: Tactical / Multirole
Type of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade treatment: Brunishing Mil-C-13924
Handle: Forprene
Blade length: 162mm.
Blade thickness: 6.3mm.
Total length: 293mm.
Weight: 300g.
Sheath: in Nylon
Packaging: Cardboard box with Extrema Ratio logos
Note: -Extrema Ratio developed the first knife of a new production line, called CONTACT.
It has a blade with a lance-shaped profile, a flat grinding and a diamond-shaped geometry. It has got a lower guard branch to protect itself from incidental cuts, upper jumping to improve grip, concave fuller along the length of the blade and a generous thickness blade (6.30mm) the now famous Requiem, revisited in proportions and in some technical features. The first of a new line of multipurpose knives.
The blade is made in Böhler N690 steel with a hardness of 58 HRC and a chemical burnishing coating for the Black version. All other colors in production have got a blade with Stone Washed finishing. The handle is still in forprene. It is more assembled by the side screws but thanks to the shank in truncated cone-shaped stainless steel that is screwed to the bottom and goes to fit inside a special seat, which makes it solid. In this way the knife is well balanced. The sheath is minimalist; most of the fabric has been cut off; it has got a 2nd level retention system, remembering the style of the model it was inspired by.
The main shell is injection-molded in shockproof nylon. The secondary retention system is reversible for ambidextrous users. The blade is guided through the conception of the blade. To extract the blade, to pressure the trigger will be sufficient, thus releasing the safety that holds securely in the sheath. In the horizontal slits of the sheath of a system, which fixes the blade to avoid shaking noises when it is stored inside. The back side of the nylon sheath is M.O.L.L.E. compatible.
The textile part is reduced to its minimum and has got the classic two-button safety strap with a belt loop Extrema Ratio aims to reduce the size of the knife, but not saving on the structural strength and safety accessories.
so be used as glass breakers
ER-CON-BK -
ExtremaRatio - Police I knife - Multi-purpose 2 blades - knife
Intended use: Emergency and survival multi-purpose knife
Type of production: Industrial
Country of production: Italy
Blade: N690Co stainless steel
Finish: Testudo burnishing
Handle: anticorodal anodized aluminum
Blade length: 85mm.
Blade thickness: 2.5mm.
Total length: 210mm.
Weight: 152g.
Sheath: -
Packaging: Cardboard box with Extrema Ratio logos and manufacturer's certificates
Notes: emergency blade with snap opening (length 8 cm) - window breaker - 2013 model now out of productionER-POLICE -
Medford Knife and Tools - Smooth Criminal knife - green aluminum MK039 - knife
Intended use: Tactical / EDC
Type of production: artisan seeds
Country of production: U.S.A.
Blade: in S35VN steel
Blade treatment: satin finish
Handle: lighting
Blade thickness: 4mm.
Length closed: 100mm.
Total length: 175mm.
Thick when closed: 14mm.
Balancing: set back
Weight: 104g.
Opening: pinball
Washers: in brass
Closure: button lock
Clip: titanium, removable
Packaging: in cardboard with Medford logos
Note: -MK039 -
Medford Knife and Tools - USMC Fighter tactical knife MK103 - knife
modern version of the classic USMC produced by Medford
Intended use: Tactical / Collection
Type of production: Custom
Lama production: U.s.a
Blade: S35VN steel
Blade treatment: S35VN
Handle: G10 3-D surfaced multi-colored
Blade length: 165mm.
Blade thickness: 6.5mm.
Total length: 290mm.
Balancing: set back 1.5 cm on the guard branch
Weight: 488g.
Sheath: custom in leather
Packaging: nylon case, with zip closure and Medford logos
Notes: Designed and built by Greg MedfordMK103 -
Medford Knife and Tools - Burung Black Karambit knife - Gray Titanium Handle - knife
Intended use: Tactical / Heavy DutyType of production: artisan seeds
Country of production: U.S.A.
Blade: in d2 steel
Blade treatment: Black
Handle: Titanium Gray
Blade length: 85mm.
Blade thickness: 5mm.
Length closed: 115mm.
Total length: 190mm.
Thick when closed: 12.5mm.
Balancing: on the guard branch
Weight: 172g.
Opening: ambidextrous
Washers: in brass
Closure: Framelock
Clip: titanium, removable
Packaging: polymer tactical case with Medford logos
Notes: Designed and built by Greg MedfordMK032DJ -
Medford Knife and Tools - Burung Karambit knife - Gray Titanium Handle - knife
Intended use: Tactical / Heavy Duty
Type of production: artisan seeds
Country of production: USA
Blade: in d2 steel
Blade treatment: Satin finish
Handle: Titanium Gray
Blade length: 85mm.
Blade thickness: 5mm.
Length closed: 115mm.
Total length: 190mm.
Thick when closed: 12.5mm.
Balancing: on the guard branch
Weight: 172g.
Opening: ambidextrous
Washers: in brass
Closure: Framelock
Clip: titanium, removable
Packaging: polymer tactical case with Medford logos
Notes: Designed and built by Greg MedfordMK032DTQ -
Medford Knife and Tools - Hunden knife - Titanium Handle and S35VN - knife
Intended use: Tactical / Collection
Type of production: Custom
Lama production: U.s.a
Blade: CPM-S35VN steel
Blade treatment: Tumbled
Handle: titanium
Blade length: 55mm.
Blade thickness: 5mm.
Total length: 135mm.
Thick when closed: 10mm.
Balancing: on the guard branch
Weight: 86g.
Closure: Frame Lock
Clip: in titanium
Sheath: -
Packaging: polymer tactical case with Medford logos
Notes: Designed and built by Greg MedfordMK203STQ -
Medford Knife and Tools - Slim Midi Marauder knife - Titanium and S35VN - knife
Intended use: EDC
Type of production: artisan seeds
Country of production: U.S.A.
Blade: CPM-S35VN steel
Blade treatment: Satin finish
Handle: anodised titanium with PVD treatment
Blade length: 90mm.
Blade thickness: 3mm.
Closed length: 108mm.
Total length: 200mm.
Thick when closed: 10.2mm.
Balancing: set back
Weight: 114g.
Opening: ambidextrous thumbstood on the blade
Washers: in brass
Closure: Framelock
Clip: titanium, removable
Packaging: polymer tactical case with Medford logos
Notes: Skull Crasher on the shank - Designed and built by Greg MedfordMK201STD -
ExtremaRatio - BD2 R Satin - knife
Medium folding of the BD series. It is produced with an aluminum handle that enhances its resistance and lightness, also thanks to the steel frame. The model maintains all the features of the BD2 updated with the new opening system High Speed Razor Opening ..
Intended use: Sports / EDC
Type of production: Industrial
Lama production: Italy
Blade: Stainless steel N690Co 58HRC
Blade treatment: Satin
Handle: Anticorodal
Blade length: 95mm.
Blade thickness: 3mm.
Length closed: 128mm.
Total length: 224mm.
Thick when closed: 17mm.
Weight: 105g.
Closure: Liner Lock
Clip: removable in stainless steel
Packaging: cardboard box with Extrema Ratio logos
Note: -ER-BD2R-SA -
Extremaratio - Venom Stone Washed Half Serrated - Knife
Dedicated to those who are more at ease with a knife with a more classic profile, the VENOM is characterized by a wide, flat main grind.
Less suitable for combat, it is best expressed in field and precision work (thanks to the lower angle of sharpening).
It is a multirole of great utility in hunting and outdoor sports. The profile and the general outline of the blade are inspired by the Italian and Austro / Hungarian battle blades of the first half of the 20th century.
Intended use: Tactical / SportsType of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade treatment: Stonewashed
Handle: Forprene
Blade length: 180mm.
Blade thickness: 6.3mm.
Total length: 310mm.
Balancing: on the guard branch
Weight: 300g.
Sheath: thigh, in nylon, with rigid polymer insert
Packaging: Cardboard box with Extrema Ratio logos
Note: -ER-VENSW -
ExtremaRatio - BD2 Lucky Black knife - knife
Intended use: Tactical
Type of production: Industrial
Lama production: Italy
Blade: N690Co 58HRC stainless steel
Blade Treatment: MIL-C-13924 Burnishing
Handle: Anticorodal
Blade length: 95mm.
Blade thickness: 3mm.
Length closed: 128mm.
Total length: 224mm.
Thick when closed: 17mm.
Balancing: -
Weight: 104g.
Closure: Liner Lock
Clip: removable in stainless steel
Sheath: -
Packaging: cardboard box with Extrema Ratio logos
Note: -ER-BD2-BK -
ExtremaRatio - N.K. Steel Talon - Neck Knife - NKST - Knife
Knife with monolithic structure that allows the use for very effective cutting strokes, it is equipped with Kydex quick release sheath with paracord for the neck of the knife to the neck
Intended use: Neck Knife
Type of production: Industrial
Lama production: Italy
Blade: stainless steel N690Co 58 / 60HRC
Lama treatment: Stone Washed
Handle: stainless steel N690Co 58 / 60HRC
Blade length: 75mm.
Blade thickness: 3mm.
Total length: 188mm.
Weight: 91.5g.
Sheath: in Kydex, from collar
Packaging: cardboard box with Extrema Ratio logos
Notes: possibility to use the scabbard with M.O.L.L.E. o Tek-Lok (not included in the package)ER-NKST -
ExtremaRatio - Leucoton Black - knife
Traditional combat knife designed on the basis of the CORVO. Sampling part developed for the Chilean army.
Intended use: Tactical, Utility
Type of production: Industrial
Country of production: Italy
Blade: Bohler N690Co stainless steel at 58HRC
Blade treatment: Burnishing MIL-C-13924
Handle: Forprene
Blade length: 141mm.
Blade thickness: 6.3mm.
Total length: 267mm.
Weight: 339g.
Sheath: Nylon
Packaging: cardboard box with Extrema Ratio logosER-LEUCO -
Glock - Field Knife with saw - Sand - knife
The Glock knives were developed in close cooperation with the Special Force Ranger Austrian army. To achieve the best performance and functionality, were not allowed compromises in design, tested after years of service in the field. The knife is so perfectly balanced, used as a pure fighter, such as a utility knife or throwing knife.
BACK SIGNED
Blade: Carbon steel painted in 1050
Handle material: Thermoplastic Polymers
Blade length: 165 mm.
Blade Thickness: 5 mm.
Total length: 290 mm.
Weight: 205 g.
Sheath: Thermoplastic PolymersG81-SA -
Glock - Field Knife 81 knife with saw - Gray - knife
The Glock knives were developed in close cooperation with the Special Force Ranger Austrian army. To achieve the best performance and functionality, were not allowed compromises in design, tested after years of service in the field. The knife is so perfectly balanced, used as a pure fighter, such as a utility knife or throwing knife.
BACK SIGNED
Blade: Carbon steel painted in 1050
Handle material: Thermoplastic Polymers
Blade length: 165 mm.
Blade Thickness: 5 mm.
Total length: 290 mm.
Weight: 205 g.
Sheath: Thermoplastic PolymersG81-GY -
ExtremaRatio - BD4 R knife Satin - knife
BD4 R SATIN is a new basic folder with the opening system High Speed Razor Opening System, its blade embodies the classic Italian style, elegant and functional.
Intended use: Sports / Tactical
Type of production: Industrial
Lama production: Italy
Blade: Stainless steel N690Co 58HRC
Lama treatment: Satin
Handle: Anticorodal
Blade length: 122mm.
Blade thickness: 3mm.
Length closed: 150mm.
Total length: 277mm.
Thick when closed: 17mm.
Balancing: -
Weight: 130g.
Closure: Liner Lock
Clip: removable in stainless steel
Sheath: -
Packaging: cardboard box with Extrema Ratio logos
Note: -ER-BD4R-SA -
Extremaratio - Arditi Deluxe - Single-edged dagger - Limited Collector's Edition - Knife
The particular situation created in the early years of the 1914/18 war, now mired in increasingly complex and protected trenches and fortifications, favored the formation of men who, little by little, specialized in the coup.
Our assault units, the Arditi, had their dagger. It was obtained from the pieces cut away by the long blades of the Vetterli 1870 bayonets, which in the narrow trenches, in the corridors, between the reticulars were only an obstacle. It was certainly a rustic weapon, of recovery, not too beautiful but certainly inexpensive, light, not cumbersome and in expert hands also effective.
Today, on the occasion of the centenary, we recall this important page of Italian military history with a limited celebratory series in only 100 numbered copies. This version has a satin blade and a walnut wood handle and is sold with a wooden box and leather sheath.
Intended use: Tactical / Military / Collection
Type of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade treatment: Satin
Handle: Walnut wood
Blade length: 167mm.
Blade thickness: 6.3mm.
Total length: 270mm.
Weight: 224g.
Sheath: leather thigh-strap
Packaging: wooden box
Notes: Limited edition in 100 numbered copies - Edition to celebrate the hundred years of the Italian ArditiER-AR-D -
Extremaratio - Arditi Black - Single-edged dagger - knife
The particular situation created in the early years of the 1914/18 war, now mired in increasingly complex and protected trenches and fortifications, favored the formation of men who, little by little, specialized in the coup.
Our assault units, the Arditi, had their dagger. It was obtained from the pieces cut away by the long blades of the Vetterli 1870 bayonets, which in the narrow trenches, in the corridors, between the reticulars were only an obstacle. It was certainly a rustic weapon, of recovery, not too beautiful but certainly inexpensive, light, not cumbersome and in expert hands also effective.
Today, on the occasion of the centenary, we remember this important page of Italian military history with a limited series of celebrations of 1918 copies. This version has a burnished blade, a polymer handle and a black cordura sheath.
Intended use: Tactical / Military / Collection
Type of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade treatment: Burnishing MIL-C-13924
Handle: Polymers
Blade length: 167mm.
Blade thickness: 6.3mm.
Total length: 270mm.
Weight: 224g.
Sheath: Nylon leg strap
Packaging: cardboard box with Extrema Ratio logos
Notes: Edition limited edition in 1918 copies - Edition to celebrate the hundred years of the Arditi of ItalyER-AR-BK -
ExtremaRatio - BF0 R CD - Stone Washed - knife
It is a small basic folder, produced with a technopolymer handle that enhances its resistance and lightness, thanks also to the steel frame. The blade locking mechanism is the tried and tested LINER-LOCK. The model keeps all the features of the BF0 updated with the new High Speed Razor Opening opening system. Available in the following versions: BF0 R CD Desert with stone washed blade and HCS and BF0 R CD Stone Washed with stone washed blade and black grip.
Type of production: industrial
Blade: stainless steel N690Co 58HRC
Country of production: Italy
Handle: Nylon with stainless steel folders
Blade length: 55mm.
Blade thickness: 2.5mm.
Length closed: 85mm.
Total length: 140mm.
Weight: 53g.
Closure: Liner Lock
Clip: reversible and removable, in stainless steelER-BF0R-SW -
ExtremaRatio - BF1CT - Damascus Coreless - Limited Edition - knife
Purpose of use: Collection / Sportsman
Type of production: Sprint Run, Industrial, Open Number
Country of production: Prato - Italy
Blade: Coreless Steel VG10 / VG2 61HRC made in Japan by Takefu Steel
Blade treatment: chemical detection
Handle: Anodized aluminum anticorodal
Blade Length: 70mm.
Blade thickness: 2.5mm.
Closed length: 99mm.
Total Length: 168mm.
Closure thickness: 11mm.
Weight: 84g.
Opening: ambidextrous opening pin
Washers: in fiberglass
Closure: Liner Lock
Clip: stainless steel, deep pocket, removable and reversible
Packing: Cardboard box with Extrema Ratio logos - Numbered guarantee certificate
Notes: Limited edition - Each specimen is numbered on the grip and on the internal warranty certificate - Exclusive Product of Coltelleria ColliniABOUT THE STEEL
More than just a damask, Coreless steel made by Japanese Takefu Steel comes with over 70 layers of VG10 and VG2 stainless steel welded, forged and coated between them so that you can form a lightweight, slim and durable blade with a spectacular damask outer pattern.
The peculiarity of Coreless steel, unlike conventional rolled steel or Japanese San-Mai, is that it does not have a hard core steel that is used for the cutting edge but has both the VG10 and VG2 steels arranged to form the cutting edge so alternating and sequential to each other.
This particular construction gives the blade - compared to the two steels that make it, individually taken - greater resistance to oxidation, higher surface hardness (up to 61.5HRC), 25% more than cutting capacity, 25% more than the wire hold capacity and 25% more resilience making the blade more robust and less subject to breakage.
Thanks to this latest steel, Takefu Steel has been rewarded on Japanese territory for research and development and innovation in the cutting-edge landscape. Coreless steel has already been chosen by major brands such as Kai and Mcusta Zanmai who since 2017 proposed it on their top productions of professional kitchen knives.
ER-BF1CT-C -
ExtremaRatio - BF1CD - Damascus Coreless - Limited Edition - knife
Purpose of use: Collection / Sportsman
Type of production: Sprint Run, Industrial, Open Number
Country of production: Prato - Italy
Blade: Coreless Steel VG10 / VG2 61HRC made in Japan by Takefu Steel
Blade treatment: chemical detection
Handle: Anodized aluminum anticorodal
Blade Length: 70mm.
Blade thickness: 2.5mm.
Closed length: 99mm.
Total Length: 168mm.
Closure thickness: 11mm.
Weight: 84g.
Opening: ambidextrous opening pin
Washers: in fiberglass
Closure: Liner Lock
Clip: stainless steel, deep pocket, removable and reversible
Packing: Cardboard box with Extrema Ratio logos - Numbered guarantee certificate
Notes: Limited edition - Each specimen is numbered on the grip and on the internal warranty certificate - Exclusive Product of Coltelleria ColliniABOUT THE STEEL
More than just a damask, Coreless steel made by Japanese Takefu Steel comes with over 70 layers of VG10 and VG2 stainless steel welded, forged and coated between them so that you can form a lightweight, slim and durable blade with a spectacular damask outer pattern.
The peculiarity of Coreless steel, unlike conventional rolled steel or Japanese San-Mai, is that it does not have a hard core steel that is used for the cutting edge but has both the VG10 and VG2 steels arranged to form the cutting edge so alternating and sequential to each other.
This particular construction gives the blade - compared to the two steels that make it, individually taken - greater resistance to oxidation, higher surface hardness (up to 61.5HRC), 25% more than cutting capacity, 25% more than the wire hold capacity and 25% more resilience making the blade more robust and less subject to breakage.
Thanks to this latest steel, Takefu Steel has been rewarded on Japanese territory for research and development and innovation in the cutting-edge landscape. Coreless steel has already been chosen by major brands such as Kai and Mcusta Zanmai who since 2017 proposed it on their top productions of professional kitchen knives.
ER-BF1CD-C -
ExtremaRatio - Defender 2 DG Black - Knife
Combat version of the Scout model with ultra-slim shape. The 118 mm blade is lightened in its structure by the bloodstream. It is produced in two versions: with single guard and upper grip or, in the DG version, with double guard for a safer grip in the bushes. It comes with black Kydex sheath with attachment to the M.O.L.L.E. system.
Intended use: Tactical
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade treatment: MIL-C-13924 grinding
Handle: Forprene
Blade Length: 118mm.
Blade thickness: 5mm.
Overall length: 232mm.
Weight: 146g.
Sheath: In Kydex, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logosER-DEF2DG-BK -
ExtremaRatio - Defender 2 Black - Knife
Combat version of the Scout model with ultra-slim shape. The 118 mm blade is lightened in its structure by the bloodstream. It is produced in two versions: with single guard and upper grip or, in the DG version, with double guard for a safer grip in the bushes. It comes with black Kydex sheath with attachment to the M.O.L.L.E. system.
Intended use: Tactical
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade treatment: MIL-C-13924 grinding
Handle: Forprene
Blade Length: 118mm.
Blade thickness: 5mm.
Overall length: 232mm.
Weight: 140g.
Sheath: In Kydex, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logosER-DEF2-BK -
ExtremaRatio - Defender 2 DG Stone Washed - Knife
Combat version of the Scout model with ultra-slim shape. The 118 mm blade is lightened in its structure by the bloodstream. It is produced in two versions: with single guard and upper grip or, in the DG version, with double guard for a safer grip in the bushes. It comes with black Kydex sheath with attachment to the M.O.L.L.E. system.
Intended use: Tactical
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade Treatment: Satin
Handle: Forprene
Blade Length: 118mm.
Blade thickness: 5mm.
Overall length: 232mm.
Weight: 146g.
Sheath: In Kydex, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logosER-DEF2DGSW -
ExtremaRatio - Defender 2 Stone Washed - Knife
Combat version of the Scout model with ultra-slim shape. The 118 mm blade is lightened in its structure by the bloodstream. It is produced in two versions: with single guard and upper grip or, in the DG version, with double guard for a safer grip in the bushes. It comes with black Kydex sheath with attachment to the M.O.L.L.E. system.
Intended use: Tactical
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade Treatment: Satin
Handle: Forprene
Blade Length: 118mm.
Blade thickness: 5mm.
Overall length: 232mm.
Weight: 140g.
Sheath: In Kydex, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logosER-DEF2-SW -
ExtremaRatio - Defender DG Black - Knife
Combat version of the Scout model with ultra-slim shape. The 103 mm blade is lightened in its structure by the bloodstream. It is produced in two versions: with single guard and upper grip or, in the DG version, with double guard for a safer grip in the bushes. It comes with black Kydex sheath with attachment to the M.O.L.L.E. system.
Intended use: Tactical
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade Treatment: MIL-C-13924 PVD
Handle: Forprene
Blade Length: 103mm.
Blade thickness: 5mm.
Total length: 217mm.
Weight: 140g.
Sheath: Kydex, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logosER-DEFDG-BK -
ExtremaRatio - Defender Black - Knife
Combat version of the Scout model with ultra-slim shape. The 103 mm blade is lightened in its structure by the bloodstream. It is produced in two versions: with single guard and upper grip or, in the DG version, with double guard for a safer grip in the bushes. It comes with black Kydex sheath with attachment to the M.O.L.L.E. system.
Intended use: Tactical
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade Treatment: MIL-C-13924 PVD
Handle: Forprene
Blade Length: 103mm.
Blade thickness: 5mm.
Total length: 217mm.
Weight: 136g.
Sheath: Kydex, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logosER-DEF-BK -
ExtremaRatio - Defender DG Stone Washed - Knife
Combat version of the Scout model with ultra-slim shape. The 103 mm blade is lightened in its structure by the bloodstream. It is produced in two versions: with single guard and upper grip or, in the DG version, with double guard for a safer grip in the bushes. It comes with black Kydex sheath with attachment to the M.O.L.L.E. system.
Intended use: Tactical
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade Treatment: Satin
Handle: Forprene
Blade Length: 103mm.
Blade thickness: 5mm.
Total length: 217mm.
Weight: 140g.
Sheath: Kydex, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logosER-DEFDG-SW -
ExtremaRatio - Defender Stone Washed - Knife
Combat version of the Scout model with ultra-slim shape. The 103 mm blade is lightened in its structure by the bloodstream. It is produced in two versions: with single guard and upper grip or, in the DG version, with double guard for a safer grip in the bushes. It comes with black Kydex sheath with attachment to the M.O.L.L.E. system.
Intended use: Tactical
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade Treatment: Satin
Handle: Forprene
Blade Length: 103mm.
Blade thickness: 5mm.
Total length: 217mm.
Weight: 136g.
Sheath: Kydex, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logosER-DEFSW -
ExtremaRatio - BF2 R CT - Razor Opening - Stone Washed Tanto Point - knife
The BF2 R is a full size lock knife particularly suitable for professional use by military and police operators. The model retains all the features of the BF2, upgraded with the new high speed Razor opening opening system.
Target: Tactical / Military
Type of production: industrial
Blade: stainless steel N690Co 58HRC
Country of production: Italy
Handle: Anticorodal
Blade Length: 90mm.
Blade thickness: 3mm.
Closed length: 130mm.
Total length: 214mm.
Weight: 140g.
Closure: Liner Lock
Clip: deep pocket, reversible and removable, in stainless steel
Sheath: -
Notes: Additional safety catch with open knifeER-BF2RCT-SW -
ExtremaRatio - BF2 R CT - Razor Opening - Desert Warfare Tanto Point - knife
The BF2 R is a full size lock knife particularly suitable for professional use by military and police operators. The model retains all the features of the BF2, upgraded with the new high speed Razor opening opening system.
Target: Tactical / Military
Type of production: industrial
Blade: stainless steel N690Co 58HRC
Country of production: Italy
Handle: Anticorodal
Blade Length: 90mm.
Blade thickness: 3mm.
Closed length: 130mm.
Total length: 214mm.
Weight: 140g.
Closure: Liner Lock
Clip: deep pocket, reversible and removable, in stainless steel
Sheath: -
Notes: Additional safety catch with open knifeER-BF2RCT-DW -
Medford Knife and Tools - Dress Marauder T - Purple Tumbled Titanium - knife
Purpose: EDC
Type of production: artisanal seed
Country of Origin: USA
Blade: D2 steel
Blade Treatment: Dual Tone - Stone Washed and Satin
Handle: Anodized titanium with a thickness of 3mm per folder
Blade Length: 65mm.
Blade thickness: 3mm.
Closed length: 78mm.
Total length: 142mm.
Closed thickness: 9.5mm.
Balancing: backward
Weight: 62g.
Opening: thumbstood ambidextrous on the blade
Washers: Brass
Closure: Framelock
Clip: Titanium, Removable
Packing: Tactical Polycarbonate Case with Medford logos
Notes: Skull Crasher on the Tail - Drawn and built by Greg Medford - free cartoonMK-DMPT -
Medford Knife and Tools - Micro Praetorian T - Blue Titanium - knife
Intended use: Tactical / EDC
Type of production: artisanal seed
Country of Origin: USA
Blade: D2 steel
Blade Treatment: Black PVD
Handle: Anodized titanium
Blade Length: 75mm.
Blade thickness: 4.5mm.
Closed length: 97mm.
Total Length: 170mm.
Closed thickness: 12.5mm.
Balancing: backward
Weight: 142g.
Opening: thumbstood ambidextrous on the blade
Washers: Brass
Closure: Framelock
Clip: Titanium, Removable
Packing: Tactical Polycarbonate Case with Medford logos
Notes: Skull Crasher on the Tail - Designed and built by Greg Medford - Free Comic BookMK-MPBT -
Medford Knife and Tools - Praetorian Genesis T knife - Blue Flamed Handle - knife
Intended use: Tactical / Heavy Duty
Type of production: artisan seeds
Country of production: USA
Blade: in S35VN steel
Blade treatment: Satin finish
Handle: Flamed Blue Titanium
Blade length: 85mm.
Blade thickness: 5mm.
Length closed: 115mm.
Total length: 200mm.
Thick when closed: 12.5mm.
Balancing: on the guard branch
Weight: 190g.
Opening: ambidextrous thumbstood on the blade
Washers: in brass
Closure: Framelock
Clip: titanium, removable
Packaging: polymer tactical case with Medford logos
Notes: Skull Crasher on the shank - Designed and built by Greg MedfordMK-T -
Medford Knife and Tools - Praetorian Genesis G - Black and Bronze - knife
Intended use: Tactical / Heavy Duty
Type of production: semi custom
Country of Origin: USA
Blade: D2 steel
Blade Treatment: Black PVD
Handle: G10 and anodized titanium
Blade Length: 90mm.
Blade thickness: 5mm.
Closed length: 115mm.
Total length: 200mm.
Closed thickness: 12.5mm.
Balancing: on guard branch
Weight: 168g.
Opening: thumbstood ambidextrous on the blade
Washers: Brass
Closure: Framelock
Clip: Titanium, Removable
Packing: Tactical Polycarbonate Case with Medford logos
Notes: Skull Crasher on the Tail - Designed and built by Greg Medford - Free Comic BookMK-GEBB -
Extremaratio - A.M.F. Advanced Multi Function Desert - AMF - knife
Target: Tactical / Military / Collection
Type of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade Treatment: Satin
Handle: Forprene
Blade length: 206mm.
Blade thickness: 6.3mm.
Total length: 345mm.
Weight: 500g.
Sheath: Nylon
Packing: Cardboard box with Extrema Ratio logos
Notes: Modern Reflection of the Gerber B.M.F. Built between the 80's and 90'sER-AMF-DE -
Extremaratio - A.M.F. Advanced Multi Function Black - AMF - knife
Target: Tactical / Military / Collection
Type of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade Treatment: Brush MIL-C-13924
Handle: Forprene
Blade length: 206mm.
Blade thickness: 6.3mm.
Total length: 345mm.
Weight: 500g.
Sheath: Nylon
Packing: Cardboard box with Extrema Ratio logos
Notes: Modern Reflection of the Gerber B.M.F. Built between the 80's and 90'sER-AMF-BK -
ExtremaRatio - Scout 2 Satin - knife
Intended use: Hiking / Backup
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade Treatment: Satin
Handle: Forprene
Blade Length: 118mm.
Blade thickness: 5mm.
Total Length: 232mm.
Weight: 145g.
Sheath: Kydex, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logos12659 -
ExtremaRatio - Scout Satin - knife
Intended use: Hiking / Backup
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade Treatment: Satin
Handle: Forprene
Blade Length: 103mm.
Blade thickness: 5mm.
Overall length: 217mm.
Weight: 141g.
Sheath: In Nylon, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logosER-SCO-SW -
ExtremaRatio - Scout 2 Black - knife
Intended use: Hiking / Backup
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade Treatment: Brush MIL-C-13924
Handle: Forprene
Blade Length: 118mm.
Blade thickness: 5mm.
Total Length: 232mm.
Weight: 145g.
Sheath: In Kydex, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logos12658 -
ExtremaRatio - Scout Black - knife
Intended use: Hiking / Backup
Type of production: Industrial
Country of production: Italy
Blade: Stainless Steel Bohler N690Co at 58HRC
Blade Treatment: Brush MIL-C-13924
Handle: Forprene
Blade Length: 103mm.
Blade thickness: 5mm.
Overall length: 217mm.
Weight: 141g.
Sheath: In Nylon, compatible with M.O.L.L.E.
Packing: Cardboard box with Extrema Ratio logosER-SCO-BK -
ExtremaRatio - Glauca J1 Jagdkommando - knife
Folding knife developed together with the experts of the Department Jagdkommando materials, the special strength of the Austrian army. It has a tip designed to allow maximum penetration. It is equipped with a rear evacuation hammer, clip applicable in three positions and lateral secure. The handle is made with a particular finish for a better grip during use. The sheath desert kydex with hooking for M.O.L.L.E. system, allows storing the knife blade to open.
Type of production: Industrial
Production Country: Italy
Blade: stainless steel N690Co
Blade treatment: burnishing MIL-C 13924
Handle: rough anticorodal
Blade length: 110mm.
Blade thickness: 4mm.
Closed Length: 158mm
Overall length: 268mm.
Thickness when closed: 15mm.
Weight: 198g.
Lock: Liner Lock with secure additional
Clip: Removable, stainless steel
Sheath: Kydex, compatible with MOLLE attacks
Packaging: Cardboard box with Extrema Ratio logos
Notes: Rear glass breakerER-GLAJ1 -
ExtremaRatio - 185 ° RAO in Sanmai Japanese steel - knife
Folding knife made upon specific requests of the department of the Italian Army 185 ° RAO ( Target Acquisition Regiment ) and is now included the eponymous department . The knife supplied differs from the calendar for the total lack of writings or logos on the blade.
Limited Edition RAO model characterized by a satin blade in Japanese rolled steel produced by Takefu Steel. to the central plate and the 420J2 (56 HRC) In the specific CoS it is used to 61,5HRC (Cobalt Special deemed superior mechanically by 25% compared to the already appreciated VG10) for the two side plates, in order to have a very high capacity cutting but at the same time a remarkable resilience and resistance to oxidation.
folding knife made upon specific requests of the Italian Department of the Army 185th RAO (Regiment Acquisition Objectives) and currently supplied to the homonymous department. The knife supplied differs from that only civil to the total lack of written or logos on the blade.
Intended Use: Military / TacticalType of production: Industrial
Production Lama: Italy
Blade: (San Mai) Japanese-rolled stainless steel with sharp CoS to 61,5HRC in cryogenic tempering
Lama Treatment: Testudo
Handle material: anticorodal 4.5mm
Blade length: 118mm.
Blade Thickness: 6.3mm.
Length closed: 142
Overall length: 261mm.
Balancing: -
Weight: 335g.
Closure: front modified lock - threaded safety pin
Clip: -
Sheath: tactical nylon by Vega with M.O.L.L.E. attacks suitable for both the closed knife that open - color BLACK
Notes: sharpening the included DiamondRAO-SANMAI -
ExtremaRatio - Kitchen Talon 8cm - Steak anb table knife
Extrema Ratio is delighted to apply the strict military standards to a set of professional kitchen knives.
The steel of the blade is the proven BOHLER N690, a steel enriched with chromium, vanadium, molybdenum and cobalt, hardened to the hardness of 58HRC. The handle is made of Forprene, an elastomer that is in the "NATO standard" for resistance to extreme conditions, and is completely removable from the blade; this makes possible a thorough cleaning and maintenance of the knife.
Talon is a new kitchen table knife that Extrema Ratio has designed for everyday use, the handle engineering plastics military specification contains a blade made of pure Extrema Ratio durable style, ergonomic and extremely effective.
Intended use: Raw meat / vegetables / table
Type of production: Industrial
Production Country: Italy
Blade: N690Co stainless steel 58HRC
Blade treatment: Satin
Handle: Forprene
Blade length: 83mm.
Blade thickness: 4mm.
Total length: 202m.
Weight: 72g.
Sheath: -
Packaging: Cardboard box with Extrema Ratio logos
Note: Can also be used as a sports knife or collectiblesk-talon -
ExtremaRatio - Packaging 6 pieces Sector 1 table knife 4cm - Table knife
Pack consists of 6 pieces of the model Sector 1
TACTICAL KNIVES MEET THE KITCHEN!
Extrema Ratio is delighted to apply the strict military standards to a range of professional kitchen knives.
The steel blade is the proven BOHLER N690, a steel enriched with chrome, vanadium, molybdenum and cobalt, hardened to the hardness of 58HRC. The handle is made of Forprene, an elastomer that is in the "NATO standard" for resistance to extreme conditions, and is completely removable from the blade; this makes possible a thorough cleaning and maintenance of the knife.Sector 1 is a new table knife that Extrema Ratio has designed for everyday use, the handle engineering plastics military specification contains a blade made of pure Extrema Ratio durable style, ergonomic and extremely effective. Available individually in a cardboard box or in a cardboard special case of six pieces.
Intended use: Raw meat / vegetables / table
Type of production: Industrial
Production Lama: Italy
Blade: stainless steel hardened 58HRC N690Co
Blade treatment: Satin
Handle: Forprene
Blade length: 40mm.
Blade thickness: 4mm. on the blade
Overall length: 165mm.
Weight: 70g.
Sheath: -
Packaging: Cardboard box with Extrema Ratio logos
Note: Can also be used as a sports knife or collectiblesset-sect1 -
ExtremaRatio - set 6 pcs Kitchen Talon knife 8cm - Table knives
TACTICAL KNIVES MEET THE KITCHEN!
Extrema Ratio is delighted to apply the strict military standards to a range of professional kitchen knives.
The steel blade is the proven BOHLER N690, a steel enriched with chrome, vanadium, molybdenum and cobalt, hardened to the hardness of 58HRC. The handle is made of Forprene, an elastomer that is in the "NATO standard" for resistance to extreme conditions, and is completely removable from the blade; this makes possible a thorough cleaning and maintenance of the knife.Kitchen Talon is a new table knife that Extrema Ratio has designed for everyday use, the handle engineering plastics military specification contains a blade made of pure Extrema Ratio durable style, ergonomic and extremely effective. Available in a cardboard special case of six pieces.
Intended use: Raw meat / vegetables / table
Type of production: Industrial
Production Lama: Italy
Blade: stainless steel hardened 58HRC N690Co
Blade treatment: Satin
Handle: Forprene
Blade length: 80mm.
Blade thickness: 4mm. on the blade
Overall length: 200mm.
Weight: 72g.
Sheath: -
Packaging: Cardboard box with Extrema Ratio logos
Note: Can also be used as a sports knife or collectiblesset-talon -
ExtremaRatio - Sector 1 table knife 4cm - Table knife
TACTICAL KNIVES MEET THE KITCHEN!
Extrema Ratio is delighted to apply the strict military standards to a range of professional kitchen knives.
The steel blade is the proven BOHLER N690, a steel enriched with chrome, vanadium, molybdenum and cobalt, hardened to the hardness of 58HRC. The handle is made of Forprene, an elastomer that is in the "NATO standard" for resistance to extreme conditions, and is completely removable from the blade; this makes possible a thorough cleaning and maintenance of the knife.Sector 1 is a new table knife that Extrema Ratio has designed for everyday use, the handle engineering plastics military specification contains a blade made of pure Extrema Ratio durable style, ergonomic and extremely effective. Available individually in a cardboard box or in a cardboard special case of six pieces.
Intended use: Raw meat / vegetables / table
Type of production: Industrial
Production Lama: Italy
Blade: stainless steel hardened 58HRC N690Co
Blade treatment: Satin
Handle: Forprene
Blade length: 40mm.
Blade thickness: 4mm. on the blade
Overall length: 165mm.
Weight: 70g.
Sheath: -
Packaging: Cardboard box with Extrema Ratio logos
Note: Can also be used as a sports knife or collectiblessector1 -
ExtremaRatio - Sector 2 table knife 7cm - Table knife
TACTICAL KNIVES MEET THE KITCHEN!
Extrema Ratio is delighted to apply the strict military standards to a range of professional kitchen knives.
The steel blade is the proven BOHLER N690, a steel enriched with chrome, vanadium, molybdenum and cobalt, hardened to the hardness of 58HRC. The handle is made of Forprene, an elastomer that is in the "NATO standard" for resistance to extreme conditions, and is completely removable from the blade; this makes possible a thorough cleaning and maintenance of the knife.Sector 2 is a new table knife that Extrema Ratio has designed for everyday use, the handle engineering plastics military specification contains a blade made of pure Extrema Ratio durable style, ergonomic and extremely effective. Available individually in a cardboard box or in a cardboard special case of six pieces.
Intended use: Raw meat / vegetables / table
Type of production: Industrial
Production Lama: Italy
Blade: stainless steel hardened 58HRC N690Co
Blade treatment: Satin
Handle: Forprene
Blade length: 72mm.
Blade thickness: 4mm. on the blade
Overall length: 195mm.
Weight: 79g.
Sheath: -
Packaging: Cardboard box with Extrema Ratio logos
Note: Can also be used as a sports knife or collectiblessector2 -
ExtremaRatio - BF0CD - Stone Washed - knife
Type of production: Industrial
Blade: N690Co 58HRC stainless steel
Country of production: Italy
Handle: Nylon
Blade length: 55mm.
Blade Thickness: 2.5mm.
Closed Length: 85mm.
Overall length: 140mm.
Weight: 75g.
locking system: Liner Lock
Clip: reversible and removable, stainless steelER-BF0-SW -
ExtremaRatio - Ti-Rock Satin SanMai CoS - Titanium Black - Limited Edition - folding knife
A Coltelleria Collini Exclusive - Limited edition, available in only 33 serialized pieces
Intended Use: collection / EDC / CQDType of production: Industrial, Limited
Blade: Japanese-rolled stainless steel (San Mai) with sharp CoS to 61,5HRC in cryogenic quenching; with fuller double concave in the strong blade
Blade treatment: Satin finish
Production Country: Italy
Handle: Titanium, Billet, with full Frame Lock locking system with sash and secure removable made of stainless steel
Blade length: 75mm.
Blade Thickness: 6.3mm.
Overall length: 180mm.
Weight: 186g.
Clips: stainless steel, reversible type deep pocket and port tip up
Notes: Skull Crasher tapered shank engaged in - Edition limited and numbered edition in only 33 serialized pieces on the blade and box
Box: cardboard, numbered, with ExtremaRatio logos and Coltelleria ColliniTIROCK-C-BK -
ExtremaRatio - Ti-Rock Satin SanMai CoS - Titanium Blue - Limited Edition - folding knife
A Coltelleria Collini Exclusive - Limited edition, available in only 33 serialized pieces
Intended Use: collection / EDC / CQDType of production: Industrial, Limited
Blade: Japanese-rolled stainless steel (San Mai) with sharp CoS to 61,5HRC in cryogenic quenching; with fuller double concave in the strong blade
Blade treatment: Satin finish
Production Country: Italy
Handle: Titanium, Billet, with full Frame Lock locking system with sash and secure removable made of stainless steel
Blade length: 75mm.
Blade Thickness: 6.3mm.
Overall length: 180mm.
Weight: 186g.
Clips: stainless steel, reversible type deep pocket and port tip up
Notes: Skull Crasher tapered shank engaged in - Edition limited and numbered edition in only 33 serialized pieces on the blade and box
Box: cardboard, numbered, with ExtremaRatio logos and Coltelleria ColliniTIROCK-C-BL -
ExtremaRatio - Ti-Rock Satin sanmai CoS - Titanium Grey - Limited Edition - folding knife
A Coltelleria Collini Exclusive - Limited edition, available in only 33 serialized pieces
Intended Use: collection / EDC / CQDType of production: Industrial, Limited
Blade: Japanese-rolled stainless steel (San Mai) with sharp CoS to 61,5HRC in cryogenic quenching; with fuller double concave in the strong blade
Blade treatment: Satin finish
Production Country: Italy
Handle: Titanium, Billet, with full Frame Lock locking system with sash and secure removable made of stainless steel
Blade length: 75mm.
Blade Thickness: 6.3mm.
Overall length: 180mm.
Weight: 186g.
Clips: stainless steel, reversible type deep pocket and port tip up
Notes: Skull Crasher tapered shank engaged in - Edition limited and numbered edition in only 33 serialized pieces on the blade and box
Box: cardboard, numbered, with ExtremaRatio logos and Coltelleria ColliniTIROCK-C-GR -
ExtremaRatio - Ti-Rock Tactical Version - Limited Edition - knife
Collectors Edition with:
* Box of ABS branded laser
* Tactical Kydex scabbard and leather, handcrafted
* Attack Tek-Lok
* Lanyard black paracord with custom anodized titanium wire stop with slogans and Extrema Ratio Knives ColliniOnly two specimens at our disposal: Number 4 of 100 and number 9 of 100
This is a Collini Cutlery Exclusive - Only available in 100 serialized pieces
Intended Use: collection / EDC / CQD
Type of production: industrial, Limited
Blade: N690 stainless steel in 58HRC with hollow ground fuller
Blade Treatment: Black Testudo
Blade Production: Italy
Handle: Titanium machined from solid.
Closing system: Frame Lock with swing and safe removable stainless steel
Blade length: 75mm.
Blade Thickness: 6.3mm.
Overall length: 180mm.
Weight: 190g.
Clips: stainless steel, reversible, deep pocket, tip up
Notes: Conical Skull Crasher engaged in the shank - Limited and serialized edition in only 100 pieces
Box: Cardboard, serialized, with Extrema Ratio and Coltelleria Collini logosTi-Rock-Collector -
ExtremaRatio - HF1 D Drop Black - folding knife
This folding knife is projected for those who are looking for sturdiness and reliability of a fixed blade but also for compact sizes. Its N690 steel blade is available with Drop or Tanto point. For standard use the well known liner lock is enough safe. In case of hard extreme works it is requested to insert the steel pin in the proper hole to cross the handle and the blade, obtaining in this way a sturdy and reliable knife as much as a fixed blade. The steel clip can be removed or even placed on the opposite site of the handle by replacing it with the second supplied clip
Intended use: Tactical / Heavy Folder
type of production: Industrial
Country of production: Italy
Blade: Stainless steel 58HRC N690Co
Blade treatment: Testudo MIL-C-13924
Handle: Anticorodal
Blade length: 91mm.
Blade thickness: 5.6mm.
Closed Length: 149mm.
Overall length: 240mm.
Thick when closed: -
Weight: 271g.
Lock: Liner Lock system with additional safety latch and screw
Clip: Stainless Steel
Packaging: cardboard box with Extrema Ratio logosER-HF1D -
ExtremaRatio - HF1 T Tanto Black - folding knife
This folding knife is projected for those who are looking for sturdiness and reliability of a fixed blade but also for compact sizes. Its N690 steel blade is available with Drop or Tanto point. For standard use the well known liner lock is enough safe. In case of hard extreme works it is requested to insert the steel pin in the proper hole to cross the handle and the blade, obtaining in this way a sturdy and reliable knife as much as a fixed blade. The steel clip can be removed or even placed on the opposite site of the handle by replacing it with the second supplied clip
Intended use: Tactical / Heavy Folder
type of production: Industrial
Country of production: Italy
Blade: Stainless steel 58HRC N690Co
Blade treatment: Testudo MIL-C-13924
Handle: Anticorodal
Blade length: 91mm.
Blade thickness: 5.6mm.
Closed Length: 149mm.
Overall length: 240mm.
Thick when closed: -
Weight: 271g.
Lock: Liner Lock system with additional safety latch and screw
Clip: Stainless Steel
Packaging: cardboard box with Extrema Ratio logosER-HF1T -
ExtremaRatio - Shrapnel OG Satin in San Mai CoS - knife
For this new exclusive collaboration with Extrema Ratio we decided to propose a best seller in the world of cutlery, the Shrapnel model. It's a satin blade version but the most important thing is that has been used, for the first time in Italy, the famous Japanese Steel San Mai produced by Takefu Steel. Specifically, we used the CoS (Cobalt Special, considered mechanically superior by 25% compared to the already appreciated VG10) for the central plate and the 420J2 (55 HRC) for the two side plates, in order to have a high cutting capacity, but at the the same time a remarkable resilience and resistance to oxidation.
A First Production Run of 30 pieces has been made.
SHRAPNEL OG is a truly versatile “back up” knife with marked combat qualities. Its leaf-shaped blade is flat ground at a characteristically low angle to a wide, extraordinarily sharp edge. The included hard sheath can be worn vertically, horizontally or obliquely (at a 45° angle). Tthe SHRAPNEL OG hilt design does not include a guard.
Use: tactical , sports , hiking , collection
Blade: Full , Japanese- rolled stainless steel ( San Mai) with sharp CoS to 61,7HRC in cryogenic tempering
Handle: Forprene
Blade length: 90mm.
Blade Thickness: 6.5 mm.
Overall length: 210mm.
Balancing: back to 0.5cm . by guard branch
Weight: 214g.
Sheath: ABS with Tek - Lok multi attack
Notes: cardboard box with Extremaratio logos and certificate
Clad Metal
It is a composite metal partly or entirely diffusion bonded together of different kinds of metals.
Metal composition shows higher performance which respective materials alone do not possess and the performance complements opposite characteristics of each material, that is "compound characteristics"Clad Effect on Cutleries
Toughness
Like Japanese swords, clad metal is hard to break or bend, thanks to the toughness as the hard steel part is clad with soft steels.
Easy to work on
Cladded structure is easy to apply on such works as forging, grinding, sharpening or polishing to make a sharp blade.
Improved corrosion resistance
Proper material combination generates electrical potential difference and it enhances the corrosion resistance on blade edge.
Better and long lasting sharpness
Steel after forging pressure makes the microscopic structure denser and improves the sharpness and ensures long lasting performance.
Resource saving
As high class steel is used only for necessary part, it is perfectly cost effective..
Easy distortion correction
As the steel is bonded with soft steel materials, its blade is hard to break and the distortion correction is easy.
Easy drilling and welding after heat treatment
Though the steel gets harder after heat treatment, the soft steel never loses its softness, enabling the material to be drilled or welded.
Design improvement
Laminated patterns or Damascus patterns appear from basis materials which are bonded with different kinds of metals.ERCC-SH -
ExtremaRatio - HF2D Drop Black - folding knife
Intended use: tactical / military
Type of production: Industrial
Production Country: Italy
Blade: Stainless steel 58HRC N690Co
Blade treatment: Testudo MIL-C-13924
Handle: Anticorodal
Blade length: 124mm.
Blade thickness: 5.6mm.
Closed Length: 181mm.
Total length: 305.5mm.
Thick when closed: -
Weight: 319.5g.
Lock: Liner Lock system with additional safety latch and screw
Clip: Stainless Steel
Packaging: cardboard box with Extrema Ratio logosER-HF2D -
ExtremaRatio - HF2T Tanto Black - folding knife
Intended use: tactical / military
Type of production: Industrial
Production Country: Italy
Blade: Stainless steel 58HRC N690Co
Blade treatment: Testudo MIL-C-13924
Handle: Anticorodal
Blade length: 124mm.
Blade thickness: 5.6mm.
Closed Length: 181mm.
Total length: 305.5mm.
Thick when closed: -
Weight: 327g.
Lock: Liner Lock system with additional safety latch and screw
Clip: Stainless Steel
Packaging: cardboard box with Extrema Ratio logos12614T -
ExtremaRatio - Resolza L Satin - folding knife
The Resolza is the typical Sardinian folding knife, called improperly "Pattada" from the name of the village in the province of Sassari which is the production center. Extrema Ratio wanted to pay homage to the most famous knife of the Italian tradition by blending its original shape and traditional, with the techniques and the most advanced materials.
Intended use: Sports
Type of production: Industrial
Blade: N690Co 58HRC stainless steel
Production Country: Italy
Handle: Anticorodal
Blade length: 150mm.
Blade Thickness: 3mm.
closed length: -mm.
Overall length: 328mm.
Weight: 117g.
Lock: Liner Lock
Clip: -
Sheath: -
Notes: -ER-RE15-SW -
ExtremaRatio - Resolza L Black - folding knife
The Resolza is the typical Sardinian folding knife, called improperly "Pattada" from the name of the village in the province of Sassari which is the production center. Extrema Ratio wanted to pay homage to the most famous knife of the Italian tradition by blending its original shape and traditional, with the techniques and the most advanced materials.
Intended use: Sports
Type of production: Industrial
Blade: N690Co 58HRC stainless steel
Production Country: Italy
Handle: Anticorodal
Blade length: 150mm.
Blade Thickness: 3mm.
closed length: -mm.
Overall length: 328mm.
Weight: 117g.
Lock: Liner Lock
Clip: -
Sheath: -
Notes: -ER-RE15-BK -
ExtremaRatio - Fulcrum C FH - Full Handle - Black - knife
Intended use: Tactical
Type of production: Industrial
Production Country: Italy
Blade: N690Co 58HRC stainless steel
Blade treatment: burnishing MIL-C-13924
Handle: Forprene
Blade length: 110mm.
Blade thickness: 6.3mm.
Overall length: 240mm.
Weight: 241g.
Sheath: ABS, with Tek-Lok type of coupling system
Packaging: cardboard box with Extrema Ratio logos
Notes: long-handled version of the model Shrapnel OGER-FUC-FHB -
ExtremaRatio - Shrapnel OG Full Handle - Black - knife
Intended use: Tactical
Type of production: Industrial
Production Country: Italy
Blade: N690Co 58HRC stainless steel
Blade treatment: burnishing MIL-C-13924
Handle: Forprene
Blade length: 110mm.
Blade thickness: 6.3mm.
Overall length: 240mm.
Weight: 241g.
Sheath: ABS, with Tek-Lok type of coupling system
Packaging: cardboard box with Extrema Ratio logos
Notes: long-handled version of the model Shrapnel OG12553 -
Extrema Ratio - Col Moschin Collector Edition - Black - knife
Commissioned and officially adopted in 2002 by the famous 9th Regiment. Raiders "Col Moschin", this model expresses the quintessence of pure combat knife.
Inspired by daggers with asymmetric blade and straight handle but oriented Arditi, from which the Regiment traces its vestiges, it was reworked in a modern way.
The center of gravity is strong backlog, particularly the tip piercing. And 'light, handy and intuitive. Each new intruder receives one, and each new intruder is trained to use it.
All knives of this series have straight handles KRATON from ergonomic design whose shape and size favors besides a solid grip the rapid change of straight handle (Sabre Grip) to upside (Reverse Grip). An Allen screw stainless steel allows the campaign from disassembly for maintenance and lubrication of the through shank increasing the operational life of the knife.
The sheath and 'suitable all'aviolancio and underwater operations and amphibious and is' applicable to the belt or the accoutrements.
Intended Use: Collection / Tactical / MilitaryProduction Country: Italy
Blade: N690Co 58HRC stainless steel
Surface treatment: Black PVD
Handle: Removable Kraton
Blade length: 160mm.
Blade Thickness: 6.3mm.
Overall length: 290mm.
Balancing: backward, 1 cm. the branch of the lower guard
Weight: 265g.
Sheath: tactical modular, from thigh or belt, Nylon
Notes: Limited Edition with exhibitor in Plexyglass12507 -
Medford Knife and Tools - Praetorian G D2 Green - knife
Praetorian G D2 Green - knife
Type of production: Custom
Production Lama: Use
Blade: D2 steel
Blade treatment: clear
Handle: Titanium PVD coating and G10 Green
Blade length: 95mm.
Blade thickness: 5mm.
Overall length: 227mm.
Thick when closed: 13mm.
Balance: on guard branch
Weight: 232g.
Lock: Frame Lock
Clip: Titanium
Sheath: -
Packaging: tactical briefcase with polymers Medford logos
Notes: Designed and built by Greg Medfordmed-g2 -
ExtremaRatio - N.K.3 Stone Washed - Neck Knife - NK3 - knife
NK3 is a small knife that extends the family of the neck knives Extrema Ratio.
It differs from the models NK1 and NK2 for the largest size of the blade-type "long" 70mm. The ergonomic grip is designed so as to prevent accidental cuts during withdrawal from the scabbard.
On the back it is formed a drain for the positioning of the thumb or index depending on use. The structure enables both use for work or cutting very effective for small precision work.
The Kydex sheath is a quick release and is supplied to the port of paracord knife in his neck.
intended use: Neck Knife
type of production: Industrial
production country: Italy
Blade: stainless steel N690Co 58 / 60HRC
Blade treatment: Stone Washed
manicatura: stainless steel N690Co 58 / 60HRC
blade length: 70mm.
blade thickness: 6.3mm.
total length: 153mm.
Weight: 82g.
Sheath: Kydex, neck
Package: Cardboard box with logos Extrema Ratio
Notes: possibility of using the sheath with MOLLE systems or Tek-Lok (not included in the package)12450 -
ExtremaRatio - T4000 S Testudo - knife
With the T4000 C continues the purest series so Extrema Ratio, for lovers of the profile of Japanese blades that do not want to give up the accessories typically tactical as sheath and handle.
Intended use: Tactical / Backup
Type of production: Industrial
Production Country: Italy
Blade: stainless steel Bohler N690Co to 58HRC
Treatment blade: Browning MIL-C-13924
Handle: Forprene
Blade length: 174mm.
Blade thickness: 4mm.
Length closed: -
Overall length: 304mm.
Thick when closed: -
Balancing: -
Weight: 264g.
Closing: -
Clip: -
Sheath: Nylon
Packaging: Cardboard box with logos Extrema Ratio
Notes: -ER-T4S-BK -
Extrema Ratio - Panther Designed Borut Kincl - knife
Extrema Ratio - Panther Designed Borut Kincl - knife
Knife collaboration between Extrema Ratio and Borut Kincl trainer official special forces Slovenes "ESD"
Intended use: Tactical / Military
Type of production: industry
Blade: stainless steel N690Co 58HRC
Production Lama: Italy
Handle: Anticorodal
Blade length: 95mm.
Blade Thickness: 3mm.
Length closed: 140mm.
Overall length: 235mm.
Balancing: -
Weight: 210g.
Lock: Liner Lock
Clip: reversible and removable stainless steel
Sheath: -
Notes: safety locks to open knifeEX-PAN -
ExtremaRatio - Ti-Rock Tactical Version - Limited Edition - knife
** SOLD OUT - OUT OF STOCK AND OUT OF PRODUCTION **
This is a Collini Cutlery Exclusive - Only available in 100 serialized pieces
Intended Use: collection / EDC / CQD
Type of production: industrial, Limited
Blade: N690 stainless steel in 58HRC with hollow ground fuller
Blade Treatment: Black Testudo
Blade Production: Italy
Handle: Titanium machined from solid.
Closing system: Frame Lock with swing and safe removable stainless steel
Blade length: 75mm.
Blade Thickness: 6.3mm.
Overall length: 180mm.
Weight: 190g.
Clips: stainless steel, reversible, deep pocket, tip up
Notes: Conical Skull Crasher engaged in the shank - Limited and serialized edition in only 100 pieces
Box: Cardboard, serialized, with Extrema Ratio and Coltelleria Collini logosTi-Rock -
ExtremaRatio - Dobermann IV S - Africa - knife
DOBERMANN IV S Africa is a knife dedicated to professionals of the hunt.
The knife blade is stainless Böhler N690, the tested steel Austrian enriched with chromium, vanadium, molybdenum and cobalt whose characteristics are hardness, essential to achieve effective sharpening, and maintaining high characteristics of elasticity.
DOBERMANN Africa IV will be provided with two handles, a wooden santos rosewood and into Forprene. The user can change the handle with ease depending on the needs of the moment. The knife will also be provided with a leather sheath Italian manufacture, of a plate sharpener and a scioglinodi steel.
Intended Use: Hunting / Hiking / Collection
Type of production: Industrial
Production Lama: Italy
Blade: stainless steel N690Co
Blade treatment: Satin
Handle: Wood Santos and / or Forprene
Blade length: 140mm.
Blade thickness: 6.3mm.
Overall length: 290mm.
Weight: 335g.
Sheath: Brown leather, hand-stitched, made in Italy
Packaging: Cardboard box with logos Extrema Ratio
Note: The package includes a diamond sharpener and one untie knots in stainless steel12384S -
ExtremaRatio - Dobermann IV - Africa - knife
DOBERMANN IV Africa is a knife dedicated to professionals of the hunt.
The knife blade is stainless Böhler N690, the tested steel Austrian enriched with chromium, vanadium, molybdenum and cobalt whose characteristics are hardness, essential to achieve effective sharpening, and maintaining high characteristics of elasticity.
DOBERMANN Africa IV will be provided with two handles, a wooden santos rosewood and into Forprene. The user can change the handle with ease depending on the needs of the moment. The knife will also be provided with a leather sheath Italian manufacture, of a plate sharpener and a scioglinodi steel.
Intended Use: Hunting / Hiking / Collection
Type of production: Industrial
Production Lama: Italy
Blade: stainless steel N690Co
Blade treatment: Satin
Handle: Wood Santos and / or Forprene
Blade length: 185mm.
Blade thickness: 6.3mm.
Overall length: 315mm.
Weight: 368g.
Sheath: Brown leather, hand-stitched, made in Italy
Packaging: Cardboard box with logos Extrema Ratio
Note: The package includes a diamond sharpener and one untie knots in stainless steelER-DO4-AF -
Medford Knife and Tools - Micro Praetorian G / T Desert D2 - knife
Micro Praetorian G / T Desert D2 - knife
Intended use: Tactical / Collection
Production Type: Custom
Production Lama: US
Blade: Stainless Vulcan D2
Blade treatment: -
Handle: Titanium and G10 Desert
Blade length: 70mm.
Blade thickness: 5mm.
Overall length: 170mm.
Thick when closed: 12.5mm.
Balance: the branch guard
Weight: 120g.
Closure: Frame Lock
Clip: Titanium
Sheath: -
Packaging: case tactic polymers with logos Medford
Notes: Designed and built by Greg MedfordMicroPrD