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Extrema Ratio K-Talon karambit
Lion Steel L.E.One karambit
Old Bear Limited Edition in SanMai Japanese Steel
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Items 1-48 of 79

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  1. ExtremaRatio - G.O.I. Caimano Nero N.A. Flipper - Knife

    NON-automatic version of the Caimano Nero model

    The Black Caiman is a tactical knife that Extrema Ratio, official supplier of Comsubin, has developed and delivered to the G.O.I. (Gruppo Operativo Incursori) of the Italian Navy. Its name recalls and pays homage to the heroic Caimani Neri del Piave, a department of Arditi of the Regia Marina and other components on a voluntary basis, which during the First World War crossed the Piave River by swimming to carry out raids in enemy territory.

    Spear Point" 4 mm blade with asymmetrical rounding and partial sharpening of the counterbore to increase the penetration coefficient. The toothing on the blade allows you to cut cables and fabrics with high resistance preserving the sharpness.

    It is a medium folder with a robust structure. The thick aluminum cheeks, thanks to the many processes of removal make the knife light and balanced. The end of the handle, which recalls the shape of the Helix/Timon group of the slow running torpedo (S.L.C.), serves to improve the grip for the rapid extraction of the knife from the pocket.

    The DLC-coated titanium clip can be positioned at three different angles on either side to allow for maximum customization of the carry. Its shape is designed to minimize the bulk of the handle outside the pocket.

    Among its endowments, besides the carbide glass breaker, there is also a safety, that when inserted, preserves from a dangerous accidental closing of the blade.

     

    Destination of use: Tactical/Military

    Type of production: industrial
    Blade: stainless steel N690Co 58HRC
    Country of production: Italy
    Handle: Anticorodal
    Blade length: 93mm.
    Blade thickness: 4mm.
    Length closed: 140mm.
    Total lenght: 231mm.
    Weight: 180g.
    Closure: Liner Lock
    Clip: deep pocket, reversible and removable, in stainless steel
    Notes: Additional safety stop, when knife is open

    ER-CAI-NA
    $268.38
    Only 2 left
    Only 2 left
    Rating:
    95%
    4.8
  2. ExtremaRatio - T911 Tuscania Rescue Tool - folding knife

    On December 19, 1941, in Eluet El Asel, about 400 men from the 1st Royal Carabinieri Battalion Paratrooper faced the assault of 4 battalions of Indian troops of the British Army. Jumping from their trenches by launching improvised devices, the "Desert Lions", as Radio London called them, made the defensive line impenetrable by allowing thousands of Italian-German troops to withdraw safely. This was the first page in the long history of Italian paratroopers.

    The Tuscania Paratrooper Regiment asked that the Extra Ratio T911 be specifically made as a commemorative knife for its 80th anniversary.

    The T911 is a medium-sized folding light and designed for professional use by military operators. It is equipped with a modified spear point blade, flat edge, in Bohler N690 cobalt steel heat-treated to a hardness of 58 HRC, for the best compromise between strength, ease of regrinding and thread hold. The blade is 76 mm long, 4 mm thick, has a stone washed finish and rotates around an adjustable pin which allows to obtain the best fluidity in opening. A brace allows you to lock the pin in the best position.

    The handle is in Anticorodal aluminum alloy with high strength black anodized finish and is milled to facilitate the transition from "reverse grip" handle to saber handle.

    The blade is opened by means of a pin operated with the thumb. The knife uses a liner lock type blade lock and a safe ensures maximum hold even during heavy use. The safety lever is colored red for better visibility and engages in an advanced position for more instinctive use.

    In the handle are integrated a seat belt cutter with easily available and replaceable cutter-type blade, a tungsten glass breaker, a stainless steel knot loosener and a screwdriver for adjusting the pointing optics, in AISI 420 steel. The clip , reversible and fixed at the end of the handle, allows a very deep port in the pocket, for less visibility.

    The knife can be dismantled for cleaning and maintenance. With a total length of 194 mm and a weight of 145g, the T911 is easy to wear both in uniform and in civilian clothes.

     

    Intended use: Tactical / Emergency

    Type of production: Industrial
    Lama production: Italy
    Blade: N690Co 58HRC stainless steel
    Blade treatment: Stonewashed
    Handle: Anticorodal
    Blade length: 76mm.
    Blade thickness: 4mm.
    Length closed: 118mm.
    Total length: 194mm.
    Thick when closed: 24mm.
    Weight: 145g.
    Closing: Liner Lock
    Clip: Stainless steel
    Packaging: black cardboard box with Extrema Ratio logos
    Notes: belt cutter, glass breaker, screwdriver for optics, stainless steel knot loosers

    ER-T911
    $265.75
    Only 2 left
    Only 2 left
    Rating:
    93%
    4.7
  3. 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
    $148.22
    Only 1 left
    Only 1 left
  4. ExtremaRatio - BD0 R - Desert - 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 maintains all the features of the previous BF0 model, updated with the new High Speed Razor Opening opening system and with a Sear Point blade.

    Type of production: industrial
    Blade: stainless steel N690Co 58HRC
    Country of production: Italy
    Handle: Nylon with stainless steel folders
    Blade length: 60mm.
    Blade thickness: 2.5mm.
    Length closed: 95mm.
    Total length: 145mm.
    Weight: 52g.
    Closure: Liner Lock
    Clip: reversible and removable, in stainless steel

    ER-BD0R-DE
    $78.06
    Only 1 left
    Only 1 left
  5. ExtremaRatio - BD0 R - Ranger Green - 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 maintains all the features of the previous BF0 model, updated with the new High Speed Razor Opening opening system and with a Sear Point blade.

    Type of production: industrial
    Blade: stainless steel N690Co 58HRC
    Country of production: Italy
    Handle: Nylon with stainless steel folders
    Blade length: 60mm.
    Blade thickness: 2.5mm.
    Length closed: 95mm.
    Total length: 145mm.
    Weight: 52g.
    Closure: Liner Lock
    Clip: reversible and removable, in stainless steel

    ER-BD0R-RG
    $78.06
    Only 1 left
    Only 1 left
    Rating:
    93%
    4.7
  6. ExtremaRatio - BD0 R - HCS - 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 maintains all the features of the previous BF0 model, updated with the new High Speed Razor Opening opening system and with a Sear Point blade.

    Type of production: industrial
    Blade: stainless steel N690Co 58HRC
    Country of production: Italy
    Handle: Nylon with stainless steel folders
    Blade length: 60mm.
    Blade thickness: 2.5mm.
    Length closed: 95mm.
    Total length: 145mm.
    Weight: 52g.
    Closure: Liner Lock
    Clip: reversible and removable, in stainless steel

    ER-BD0R-HC
    $78.06
    Only 1 left
    Only 1 left
  7. ExtremaRatio - BD0 R - Black - 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 maintains all the features of the previous BF0 model, updated with the new High Speed Razor Opening opening system and with a Sear Point blade.

    Type of production: industrial
    Blade: stainless steel N690Co 58HRC
    Country of production: Italy
    Handle: Nylon with stainless steel folders
    Blade length: 60mm.
    Blade thickness: 2.5mm.
    Length closed: 95mm.
    Total length: 145mm.
    Weight: 52g.
    Closure: Liner Lock
    Clip: reversible and removable, in stainless steel

    ER-BD0R-BK
    $78.06
    Only 1 left
    Only 1 left
  8. 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
    $161.38
    Only 1 left
    Only 1 left
  9. ExtremaRatio - BF0 R CD HCS- 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 steel

    ER-BF0R-DW
    $76.30
    Only 1 left
    Only 1 left
  10. 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 steel

    ER-BF0R-SW
    $76.30
    Only 1 left
    Only 1 left
  11. ExtremaRatio - BF1CD Desert Warfare - Drop Point - knife

    Intended use: Tactical / Sports

    Type of production: Industrial
    Country of production: Italy
    Blade: stainless steel N690Co 58HRC
    Blade treatment: Desert Warfare
    Handle: Anticorodal
    Blade length: 70mm.
    Blade thickness: 3mm.
    Length closed: 99mm.
    Total length: 168mm.
    Thick when closed: 11mm.
    Weight: 85g.
    Opening: Ambidextrous opening pin on the blade
    Washers: Teflon
    Closure: Liner Lock
    Clip: stainless steel, deep pocket type, removable and reversible
    Sheath: -
    Packaging: cardboard box with Extrema Ratio logos
    Note: -

    ER-BF1CD-DW
    $165.76
    Only 1 left
    Only 1 left
  12. ExtremaRatio - Panthera Black - folding knife

    Panthera is a new folding that retains all the features of the T-Razor, from which it draws inspiration, with the difference that the dorsal part of the blade goes down towards the tip, like the wharncliff blades. The knife presents the new Razor opening high speed opening system.

    Intended use: Sports / Tactical

    Type of production: industrial
    Blade: stainless steel N690Co 58HRC
    Country of production: Italy
    Handle: Anticorodal Anodised aluminum
    Blade length: 100mm.
    Blade thickness: 3mm.
    Length closed: 165mm.
    Total length: 247mm.
    Weight: 130g.
    Closure: Liner Lock
    Clip: absent
    Sheath: absent
    Note: -

    ER-PAN-BL
    $205.23
    Only 2 left
    Only 2 left
  13. 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 breaker

    ER-GLAJ1
    $470.98
    Only 1 left
    Only 1 left
  14. 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 steel

    ER-BF0-SW
    $76.30
    Only 1 left
    Only 1 left
    Rating:
    95%
    4.8
  15. ExtremaRatio - Resolza S 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: 79mm.
    Blade Thickness: 3mm.
    closed length: -mm.
    Overall length: 173mm.
    Weight: 36g.
    Lock: Liner Lock
    Clip: -
    Sheath: -
    Notes: -

    ER-RE8-SW
    $139.45
    Only 1 left
    Only 1 left
    Rating:
    100%
    5
  16. ExtremaRatio - Resolza Testudo - knife pattada

    Use: Sports

    Type of production: industrial
    Blade: Stainless steel 58HRC N690Co
    Production Blade: Italy
    Handle: Anticorodal
    Blade length: 122mm.
    Blade Thickness: 3mm.
    Closed Length: -mm.
    Overall length: 268mm.
    Balancing: -
    Weight: 93g.
    Lock: Liner Lock
    Clip: -
    Sheath: -
    Notes: -

    ER-RE12-BK
    $193.83
    Only 1 left
    Only 1 left
    Rating:
    90%
    4.5
  17. ExtremaRatio - BF2CT Black - Classic Tanto - knife

    Intended use: Tactical / Military

    Type of production: industrial
    Country of production: Italy
    Blade: stainless steel N690Co 58HRC
    Handle: Anticorodal
    Blade length: 90mm.
    Blade thickness: 3mm.
    Length closed: 124mm.
    Total length: 210mm.
    Weight: 140g.
    Closure: Liner Lock
    Clip: reversible and removable in stainless steel
    Notes: additional safety stop with open knife

    ER-BF2CT-BK
    $167.52
    Only 1 left
    Only 1 left
    Rating:
    98%
    4.9
  18. ExtremaRatio - BF1CT knife - Tanto Point - knife

    Type of production: industrial
    Blade: stainless steel N690Co 58HRC
    Lama production: Italy
    Handle: Anticorodal
    Blade length: 70mm.
    Blade thickness: 3mm.
    Closed length: 99mm.
    Total length: 168mm.
    Balancing: -
    Weight: 85g.
    Closure: Liner Lock
    Clip: reversible and removable in stainless steel
    Sheath: -
    Note:

    ER-BF1CT-BK
    $138.57
    Only 1 left
    Only 1 left
    Rating:
    97%
    4.9
  19. ExtremaRatio - BF2CD knife - Drop Point - knife

    Intended Use: Tactical / Military

    Type of production: industrial
    Blade: Stainless steel 58HRC N690Co
    Production Blade: Italy
    Handle: Anticorodal
    Blade length: 90mm.
    Blade Thickness: 3mm.
    Length closed: 124mm.
    Total length: 210mm.
    Balance: -
    Weight: 140g.
    Lock: Liner Lock
    Clip: Reversible and removable stainless steel
    Sheath: -
    Notes: safety locks open with a knife

    ER-BF2CD-BK
    $167.52
    Only 1 left
    Only 1 left
    Rating:
    89%
    4.5
  20. ExtremaRatio - BF2CT Desert Warfare Tanto Point - coltello

    Destinazione d'uso: Tattico/Militare

    Tipo di produzione: industriale
    Lama: in acciaio inox N690Co 58HRC
    Produzione Lama: Italia
    Manicatura: Anticorodal
    Lunghezza lama: 90mm.
    Spessore della lama: 3mm.
    Lunghezza chiuso: 124mm.
    Lunghezza totale: 210mm.
    Bilanciatura: -
    Peso: 140g.
    Chiusura: Liner Lock
    Clip: reversibile ed amovibile in acciaio inox
    Fodero: -
    Note: Fermo di sicurezza a coltello aperto
    ER-BF2CT-DW
    $189.44
    Only 1 left
    Only 1 left
    Rating:
    80%
    4
  21. ExtremaRatio - BF3 Dark Talon - knife

    Destinazione d'uso: Sportivo / Tattico

    Tipo di produzione: Industriale
    Produzione Lama: Italia
    Lama: In acciaio inox N690Co 58HRC
    Trattamento Lama: Testudo
    Manicatura: Anticorodal
    Lunghezza lama: 125mm.
    Spessore lama: 3mm.
    Lunghezza chiuso: 150mm.
    Lunghezza totale: 270mm.
    Spessore da chiuso: 17mm.
    Bilanciatura: -
    Peso: 120g.
    Chiusura: Liner Lock
    Clip: amovibile in acciaio inox
    Fodero: -
    Confezione: scatola in cartone con loghi Extrema Ratio
    Note: -
    ER-BF3
    $173.66
    Only 1 left
    Only 1 left
    Rating:
    76%
    3.8
  22. ExtremaRatio - MF0T knife Tanto Black - PRIVATE COLLECTION - folding knife

    Knife withdrawn from private collection. Overall in good condition has a number of surface scratches on the blade, small marks on the clip. Complete with cardboard box. Checked, certified and re-sharpened by our in-house laboratory Coltelleria Collini. 

    Intended Use: Tactical/Sportsman

    Type of production: Industrial
    Country of Production: Italy
    Blade: Stainless steel N690Co 58HRC
    Blade Treatment: Testudo MIL-C-13924
    Handle: Anticorodal
    Blade Length: 68mm.
    Blade thickness: 4mm.
    Length closed: 110mm.
    Total length: 181mm.
    Thickness when closed: 23mm. (15mm without clip)
    Weight: 139g.
    Closure: Liner Lock with additional safety catch
    Clip: Stainless Steel
    Packaging: black cardboard box with Extrema Ratio logos and certificate

    AP-MF0T
    $0.00
    Out of stock
  23. ExtremaRatio - Panther knife Designed Borut Kincl - PRIVATE COLLECTION - knife

    Knife withdrawn from private collection. Very rare model made by Extrema Ratio with Borut Kincl ( Slovenian martial arts master and trainer of police and military special forces) no longer in production since 2009 - Overall in very good condition. Complete with cardboard box. Checked and certified by our in-house laboratory Coltelleria Collini.

    Intended use: tactical/military

    Type of production: industrial
    Blade: stainless steel N690Co 58HRC
    Blade Production: Italy
    Handle: PVD
    Blade length: 95mm.
    Blade thickness: 3mm.
    Length closed: 140mm.
    Total length: 235mm.
    Balance: -
    Weight: 195g.
    Closure: Liner Lock
    Clip: reversible and removable stainless steel
    Sheath: -
    Notes: safety catch when knife is open

    Translated with www.DeepL.com/Translator (free version)

    AP-PANTHER
    $0.00
    Out of stock
  24. ExtremaRatio - BF2CD Knife Stone Washed - Classic Drop - knife

    The BF2 is a "full size" lockable particularly suitable for professional use by military and police operators in the field. The handle is firm and comfortable; the clip, reversible and enveloping, becomes a useful and comfortable support for the thumb in "reverse grip". The grip is full with the characteristic lowered surfaces to engage the opening "pins" without protruding from the profile of the closed knife. The blade, available in a drop or a lot version, has a flat edge and, as in the BF1, a particularly thick and resistant tip. The blade locking mechanism is the tested LINER-LOCK, assisted by a safety mechanism to be operated manually protected by a casing.

    Intended use: Tactical / Military

    Type of production: industrial
    Blade: N690Co 58HRC stainless steel
    Country of production: Italy
    Handle: Anticorodal
    Blade length: 90mm.
    Blade thickness: 3mm.
    Closed length: 124mm.
    Total length: 210mm.
    Balancing: -
    Weight: 142g.
    Closure: Liner Lock
    Clip: reversible and removable in stainless steel
    Sheath: -
    Notes: Safety stop with open knife

    ER-BF2CD-SW
    $164.01
    Out of stock
  25. ExtremaRatio - BF2CT Knife Stone Washed - Classic Tanto - knife

    Il BF2 è un chiudibile “full size” particolarmente indicato per l’impiego professionale da parte di operatori militari e di polizia sul campo. L’impugnatura è salda e confortevole; la clip, reversibile ed avvolgente, diventa un utile e comodo appoggio per il pollice in “reverse grip”. La guancetta è piena con i caratteristici piani ribassati per impegnare i “pin” d’apertura senza che sporgano dal profilo del coltello chiuso. La lama, disponibile in versione drop o tanto, ha l’arrotatura piatta e, come nel BF1, la punta particolarmente spessa e resistente. Il meccanismo di blocco della lama è il collaudato LINER-LOCK, coadiuvato da un meccanismo di sicura da azionare manualmente protetto da un carter. 

    Destinazione d'uso: Tattico/Militare

    Tipo di produzione: industriale
    Lama: in acciaio inox N690Co 58HRC
    Paese di produzione: Italia
    Impugnatura: Anticorodal
    Lunghezza lama: 90mm.
    Spessore lama: 3mm.
    Lunghezza chiuso: 124mm.
    Lunghezza totale: 210mm.
    Bilanciatura: -
    Peso: 142g.
    Chiusura: Liner Lock
    Clip: reversibile ed amovibile in acciaio inox
    Fodero: -
    Note: Fermo di sicurezza a coltello aperto

    ER-BF2CT-SW
    $164.01
    Out of stock
  26. 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-BK
    $152.61
    Out of stock
  27. ExtremaRatio - Resolza 10 - Black - pattada knife

    RESOLZA, a term of ancient origin, is today one of the most famous traditional knives of our country. The name suggests the razor by chance.

    It was born in Sardinia centuries ago and has accompanied its inhabitants until today in the daily work of a peasant and pastoral life, following them even when its men were called to war. The chronicles of the Sassari Brigade during the First World War cite this knife among its soldiers' equipment.

    We wanted to make a tribute by revisiting it according to our canons, without wanting to hurt any of the prestigious Sardinian artisans who still today pass on the tradition and wisdom of their ancestors. The dimensions and proportions are the original ones of a 10 cm blade, but the materials and technologies are those of our production. The handle revised in our style, the blade most faithful to tradition. In addition to the original, it has the blade lock open.

     

    Intended use: sports

    Type of production: industrial
    Country of production: Italy
    Blade: stainless steel N690Co 58HRC
    Handle: Anticorodal
    Blade length: 100mm.
    Blade thickness: 3mm.
    Total length: 220mm.
    Weight: 65g.
    Closure: Liner Lock
    Clip: -
    Sheath: -
    Notes: blade with MIL-C 13924 burnishing

    ER-RE10-BK
    $162.25
    Rating:
    87%
    4.4
    Out of stock
  28. ExtremaRatio - Resolza 10 - Stone Washed - pattada knife

    RESOLZA, a term of ancient origin, is today one of the most famous traditional knives of our country. The name suggests the razor by chance.

    It was born in Sardinia centuries ago and has accompanied its inhabitants until today in the daily work of a peasant and pastoral life, following them even when its men were called to war. The chronicles of the Sassari Brigade during the First World War cite this knife among its soldiers' equipment.

    We wanted to make a tribute by revisiting it according to our canons, without wanting to hurt any of the prestigious Sardinian artisans who still today pass on the tradition and wisdom of their ancestors. The dimensions and proportions are the original ones of a 10 cm blade, but the materials and technologies are those of our production. The handle revised in our style, the blade most faithful to tradition. In addition to the original, it has the blade lock open.

     

    Intended use: sports

    Type of production: industrial
    Country of production: Italy
    Blade: stainless steel N690Co 58HRC
    Handle: Anticorodal
    Blade length: 100mm.
    Blade thickness: 3mm.
    Total length: 220mm.
    Weight: 65g.
    Closure: Liner Lock
    Clip: -
    Sheath: -
    Notes: blade with stonewashed treatment

    ER-RE10-SW
    $159.62
    Rating:
    97%
    4.9
    Out of stock
  29. ExtremaRatio - BF2H Helmsman - Multitool Sailing Knife

    Helmsman is a knife designed and perfected in every single detail for its primary use in a nautical environment and represents the evolution of the BF2 V model presented on the Amerigo Vespucci School Ship in 2013 and dedicated to the most beautiful ship in the world.

    The blade, which reaches a length of 87 mm, has a serration at the base while the tip has a flat grinding that allows symmetrical cutting work with wider support while the stone washed finishing process preserves more from corrosion in a marine environment.

     

    Intended use: Sports / Tactical / For Sailing Boat

    Type of production: industrial
    Blade: N690Co 58HRC stainless steel with Stone Washed finish
    Country of production: Italy
    Handle: Anticorodal with stainless steel reinforcements
    Blade length: 87mm.
    Blade thickness: 3mm.
    Length closed: 124mm.
    Total length: 210mm.
    Weight: 143g.
    Closure: Liner Lock
    Clip: reversible and removable in stainless steel
    Notes: ankle band / loose knots - small shackle - Tactical quick release hanger - Safety catch with open knife - Safety ankle fastener / Knot release

    ER-BF2H
    $192.95
    Out of stock
  30. 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 production

    ER-POLICE
    $210.49
    Rating:
    100%
    5
    Out of stock
  31. Berkel - folder knife in San Mai VG10 67 layers - gentleman knife 11 cm - kitchen knives

    The artisans of Berkel have created an exclusive series of switchblade knives. The search for steel for the blade and fine materials for the handle, make these knives real collectibles. These unique pieces are numbered one by one by Berkel's cut masters.

    - Blade material: Damaged steel San Mai 67 VG10 (60/61 HRC)
    - Blade length: 11 cm long blade
    - Total length: 25.5 cm
    - Weight: 78 gr
    - Sharpening: Smooth
    - Handle: Composed of two wooden grips. Decorated with glossy black logo.
    - Notes: no box, with vinyl case.

    B-F-SM
    $166.64
    Out of stock
  32. 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
    $149.98
    Rating:
    80%
    4
    Out of stock
  33. ExtremaRatio - BD2 Lucky Desert knife - knife

    Intended use: Tactical

    Type of production: Industrial
    Lama production: Italy
    Blade: N690Co 58HRC stainless steel
    Lama treatment: Satin
    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-DE
    $141.20
    Rating:
    100%
    5
    Out of stock
  34. ExtremaRatio - BF4 Lucky Black - knife

    Intended use: Tactical

    Type of production: Industrial
    Lama production: Italy
    Blade: Stainless steel N690Co 58HRC
    Lama treatment: Testudo
    Handle: Anticorodal
    Blade length: 122mm.
    Blade thickness: 3mm.
    Length closed: 150mm.
    Total length: 277mm.
    Thick when closed: 17mm.
    Balancing: -
    Weight: 137g.
    Closure: Liner Lock
    Clip: removable in stainless steel
    Sheath: -
    Packaging: cardboard box with Extrema Ratio logos
    Note: -

    ER-BD4-BK
    $164.01
    Rating:
    87%
    4.4
    Out of stock
  35. ExtremaRatio - BD4 Lucky Desert - knife

    Intended use: 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: 137g.
    Closure: Liner Lock
    Clip: removable in stainless steel
    Sheath: -
    Packaging: cardboard box with Extrema Ratio logos
    Note: -

    ER-BD4-DE
    $155.24
    Out of stock
  36. ExtremaRatio - Panthera Satin - folding knife

    Panthera is a new folding that retains all the features of the T-Razor, from which it draws inspiration, with the difference that the dorsal part of the blade goes down towards the tip, like the wharncliff blades. The knife presents the new Razor opening high speed opening system.

    Intended use: Sports / Tactical

    Type of production: industrial
    Blade: stainless steel N690Co 58HRC
    Country of production: Italy
    Handle: Anticorodal Anodised aluminum
    Blade length: 100mm.
    Blade thickness: 3mm.
    Length closed: 165mm.
    Total length: 247mm.
    Weight: 130g.
    Closure: Liner Lock
    Clip: absent
    Sheath: absent
    Note: -

    ER-PAN-SA
    $221.89
    Out of stock
  37. 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 Collini

     

    ABOUT 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.



    Coreless Steel

    ER-BF1CT-C
    $206.10
    Rating:
    100%
    5
    Out of stock
  38. 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 Collini

     

    ABOUT 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.



    Coreless Steel

    ER-BF1CD-C
    $206.10
    Out of stock
  39. 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 knife

    ER-BF2RCT-SW
    $171.90
    Rating:
    97%
    4.9
    Out of stock
  40. 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 knife

    ER-BF2RCT-DW
    $173.66
    Out of stock
  41. ExtremaRatio - BF2 R CT - Razor Opening - Black 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 knife

    ER-BF2RCT-BK
    $175.41
    Rating:
    97%
    4.9
    Out of stock
  42. ExtremaRatio - BF2 R CD - Razor Opening - Stone Washed Drop 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 knife

    ER-BF2RCD-SW
    $171.90
    Out of stock
  43. ExtremaRatio - BF2 R CD - Razor Opening - Desert Warfare Drop 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 knife

    ER-BF2RCD-DW
    $173.66
    Out of stock
  44. ExtremaRatio - BF2 R CD - Razor Opening - Black Drop 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 knife

    ER-BF2RCD-BK
    $175.41
    Rating:
    100%
    5
    Out of stock
  45. Mercury - Logan Orange by Moreno Franzin - knife

    Logan is not a common liner, but hides an epic revolution in the constructive concept!

    Unlike traditional liners, Logan has no moving pins, but is born from a 5th titanium monolith. The accurate CNC milling machines produce Logan's body: solid, lightweight, slim and highly functional where the blade rotates on the pin, one With the base, to ensure a high strength and sturdiness. The retractable screws in the body give Logan the ultimate touch of clean elegance.

    Purpose: Sportsman / EDC

    Type of production: Industrial
    Country of production: Maniago - Italy
    Blade: D2 Steel at 61HRC hardened vacuum
    Blade treatment: beaded blast
    Handle: Titanium monolithic 6AL4V and G10
    Blade Length: 95mm.
    Blade thickness: 3mm.
    Closed length: 113mm.
    Total length: 205mm.
    Closed thickness: 9mm.
    Weight: 96g.
    Opening: In one hand, with removable T-pin, on the back of the blade
    Washers: Teflon
    Closure: Liner Lock
    Clip: Stainless steel, removable and reversible
    Sheath: Upholstered zip pocket
    Packing: Cardboard box with Mercury logos
    Notes: Design by Moreno Franzin

    ME-LOGOR
    $201.72
    Out of stock
  46. Mercury - Logan Black by Moreno Franzin - knife

    Logan is not a common liner, but hides an epic revolution in the constructive concept!

    Unlike traditional liners, Logan has no moving pins, but is born from a 5th titanium monolith. The accurate CNC milling machines produce Logan's body: solid, lightweight, slim and highly functional where the blade rotates on the pin, one With the base, to ensure a high strength and sturdiness. The retractable screws in the body give Logan the ultimate touch of clean elegance.

    Purpose: Sportsman / EDC

    Type of production: Industrial
    Country of production: Maniago - Italy
    Blade: D2 Steel at 61HRC hardened vacuum
    Blade treatment: beaded blast
    Handle: Titanium monolithic 6AL4V and G10
    Blade Length: 95mm.
    Blade thickness: 3mm.
    Closed length: 113mm.
    Total length: 205mm.
    Closed thickness: 9mm.
    Weight: 96g.
    Opening: In one hand, with removable T-pin, on the back of the blade
    Washers: Teflon
    Closure: Liner Lock
    Clip: Stainless steel, removable and reversible
    Sheath: Upholstered zip pocket
    Packing: Cardboard box with Mercury logos
    Notes: Design by Moreno Franzin

    ME-LOGBL
    $201.72
    Out of stock
  47. 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 logos

    ER-HF1D
    $321.00
    Out of stock
  48. 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 logos

    ER-HF1T
    $321.00
    Rating:
    73%
    3.7
    Out of stock
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