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KNIFE WITHDRAWN FROM PRIVATE COLLECTION

Type: Previously Purchased
Conditions: in excellent conditions
Available in the market: NO
Sharpening: Original
Marks on blade: NO
Marks on handle: NO
Packaging: NO, without original box
Checked and Certified by our internal laboratory
Intended use: Tactical/Military

Blade: in 154CM stainless steel
Blade Production: USA
Handle: Zytel
Blade Length: 95mm.
Blade Thickness: 3mm.
Closed Length: 125mm.
Total Length: 220mm.
Balancing: -
Weight: 113g.
Closure: Liner Lock
Clip: -
Sheath: -
Notes: without box

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Type: Previously Purchased - year of production 2004 - 1st series Shrapnel with double guard branch and kydex sheath
* Conditions: Like new
* Commercially available Yes
* Sharpening: Original
* Marks on blade: NO
* Signs on handle: NO
* Packaging: NO
* Sheath: In kydex
* Manuals, Certificates and Guarantees: YES
* Checked and Certified by our internal laboratory

Intended Use: Military/Tactical

Type of production: industrial
Blade production: Italy
Blade: N690Co 58/60HRC stainless steel
Blade treatment: MIL-C 13924 bluing
Handle: Forprene
Blade length: 110mm.
Blade thickness: 6.3mm.
Closed length: 142mm.
Total length: 210mm.
Weight: 210g.
Clips: absent
Sheath: ABS sheath with Tek-Lok attachment with automatic knife retention system.
Note: -

Japanese steel blends with Italian excellence

For this 2020 collaboration, exclusive of Collini Cutlery, we have decided to propose a series of best sellers produced by Extrema Ratio. Knives made with the famous San Mai steel produced by the Japanese Takefu Steel. Specifically, we used V-Toku2 carbonaceous at 62 / 63HRC for the central plate and SUS410 stainless steel for the two external plates, in order to guarantee a very high cutting capacity, penetration and sealing of the wire together with an ease of re-sharpening. and maintenance but at the same time the blade has a remarkable resistance to corrosion and an important increase in resilience given by the type of external steel and by the laminated structure.

Col Moschin Compact model: for this First Production Run a run of 10 pieces numbered from 1 to 10 was created.

The lethality of the COL MOSCHIN knife in compact version. Supplied with rigid belt sheath and BELT-CLIP. The rigid sleeve can be positioned horizontally, vertically or in a 45 ° inclined position

Use: tactical, sports, hiking, collection

Blade: integral, in laminated Japanese steel (San Mai) with V-Toku2 (carbonaceous) cutting edge at 62 / 63HRC and external SUS410 (stainless steel) scales
Handle: forprene
Blade length: 110mm.
Blade thickness: 6.5mm.
Total length: 212mm.
Balance: set back to 0.5cm. from the guard branch
Weight: 209g.
Sheath: ABS with multi-position Tek-Lok attachment
Notes: Numbered edition - cardboard box with Extremaratio logos and certificate - being the cutting edge in carbon steel it is advisable, in order to keep the blade in perfect condition, to protect the edge with a thin surface of oil.

As in the ancient Japanese Samurai swords.

Rolled steel - imported into Italy by Collini Steel directly from Japanese Takefu Steel - is based on the ancient Japanese tradition in the creation of the famous Samurai swords. In fact, as early as 1100 the expert Japanese blacksmiths combined different materials together to give the Katana swords incredible cutting capabilities combined with a resistance and flexibility previously unknown. It is thanks to this revolutionary construction technique that Samurai swords have been preserved to this day, becoming one of the most fascinating objects made by man. Following this tradition applied to modern metallurgy, today we are able to have technologically advanced steels already tested and used in cutlery also by famous brands such as Fallkniven, Cold Steel, Mcusta, Kai, Sog, Zwilling, Rockstead, etc.

Characteristics of San Mai steel: These are different types of metals bonded together to create a composite that encloses and intensifies the strengths of the metals individually taken:

- Longer tool life
thanks to the use of very high quality steels with high carbon content (VG10, CoS, Shiro) or sintered (SPG2), in the heart of the sheet (Core Steel), the blade, once hardened, achieves decidedly hardness and cutting performance higher than those achieved with the use of traditional steels.

- Greater resilience
built with the principle of Japanese swords, multilayer steel is difficult to break thanks to the toughness of the central steel (Core Steel) and the elasticity of the steel used for the side coating (Stainless Steel).

- Better corrosion resistance
the steel used for the external layers (Stainless Steel) guarantees the blade a high resistance to corrosion. The combination of the two or more materials used by Takefu Steel generates, on a galvanic level, a structure that improves corrosion resistance even on the wire.

- Easy processing even after heat treatment
although steel normally becomes harder after quenching, the lateral steel used in multilayer processing does not lose its softness and allows easy processing, drilling or welding even after heat treatment. For an optimal performance of the blade, cryogenic treatment is recommended.

- Improvement of the aesthetic result
The knives made with multi-state steel or damascus pattern at the end of the processing are aesthetically elegant, refined and highly appreciated by collectors all over the world.

For more information: collinisteel

Intended use: Tactical

Type of production: Industrial
Country of production: USA
Blade: in steel D2
Blade treatment: Black Coating
Handle: CF-Elite (ultralight polymer, reinforced with carbon fiber)
Blade length: 113mm.
Blade thickness: 3mm.
Length closed: 143mm.
Total length: 257mm.
Weight: 116g.
Closing: AxisLock
Clip: multiposition, removable and reversible, in stainless steel
Packaging: Cardboard box with Benchmade logos
Note: -

Japanese steel merges with Italian excellence

For this 2019/2020 collaboration, exclusive to Collini Cutlery, we have decided to offer a series of best sellers produced by Extrema Ratio. Knives made with the famous San Mai steel produced by the Japanese Takefu Steel. Specifically, for the central sheet we used the carbonaceous V-Toku2 at 62 / 63HRC and the stainless SUS410 for the two external sheets, in order to guarantee a very high cutting, penetration and sealing capacity of the wire together with an ease of regrinding and maintenance but at the same time the blade has a remarkable resistance to corrosion and an important increase in resilience given by the type of foreign steel and the laminated structure.

SHRAPNEL OG model: for this First Production Run, a circulation of 10 pieces numbered from 1 to 10 was produced.

SHRAPNEL OG is a truly multi-purpose "back-up", with strong combat attitudes. The leaf blade is characterized by a wide flat winding, with a narrow sharpening angle which makes it particularly sharp. The rigid sheath can be positioned horizontally, vertically or inclined at 45 °. The SHRAPNEL OG is produced without the top guard.

Use: tactical, sports, hiking, collection

Blade: integral, in Japanese laminated steel (San Mai) with cutting edge in V-Toku2 (carbon) at 62 / 63HRC and external cheeks in SUS410 (stainless steel)
Handle: forprene
Blade length: 90mm.
Blade thickness: 6.5mm.
Total length: 210mm.
Balancing: set back to 0.5cm. from the guard branch
Weight: 190g.
Sheath: ABS with Tek-Lok multiposition attachment
Notes: Numbered edition - cardboard box with Extremaratio logos and certificate

As in the ancient swords of the Japanese Samurai.

Rolled steel - imported into Italy from Collini Steel directly from the Japanese Takefu Steel - is based on the ancient Japanese tradition in the creation of the famous Samurai swords. Already in 1100 the expert Japanese blacksmiths in fact combined different materials to give the Katana swords incredible cutting capabilities combined with a resistance and flexibility previously unknown. It is thanks to this revolutionary construction technique that the swords from Samurai have been preserved to the present day becoming one of the most fascinating objects made by man. Following this tradition applied to modern metallurgy, we are now able to have technologically advanced steels already tested and used in cutlery also by famous brands such as Fallkniven, Cold Steel, Mcusta, Kai, Sog, Zwilling, Rockstead, etc.

Characteristics of San Mai steel: These are different types of metals bonded together to create a composite that encloses and intensifies the strengths of the metals taken individually:

- Longer tool life
thanks to the use of high quality steel with a high carbon content (V-Toku2, VG10, CoS, Shiro) or sintered (SPG2), in the heart of the sheet (Core Steel), the blade once hardened, reaches hardness and cutting performance significantly higher than that achieved with the use of traditional steels.

- Greater resilience
built with the principle of Japanese swords, multilayer steel is difficult to break thanks to the toughness of the central steel (Core Steel) and the elasticity of the steel used for the lateral coating (Stainless Steel).

- Better corrosion resistance
the steel used for the external layers (Stainless Steel) guarantees the blade a high resistance to corrosion. The combination of the two or more materials used by Takefu Steel generates, at the galvanic level, a structure that improves the corrosion resistance also on the wire.

- Easy processing even after heat treatment
although normally the steel becomes harder after hardening, the lateral steel used in multi-layer processing does not lose its softness and allows easy processing, drilling or welding even after heat treatment. For optimum performance of the blade, cryogenic treatment is recommended.

- Improvement of the aesthetic result
The knives made with multistate steel or with damask pattern at the end of the processing are aesthetically elegant, refined and highly appreciated by collectors all over the world.

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.

Intended Use: collection

Production Type Semi-Handmade
Blade: stainless steel 420
Production Country: Spain
Handle: brass with wooden insert
Blade length: 11.5mm.
Blade Thickness: 2mm.
Overall length: 255mm.
Closed Length: 134mm.
Closing system: -
Weight: 76g.
Sheath: -
Packaging: -
Notes: Spanish traditional stiletto late 80s

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 OG

Utilisation: Sport

Type de production: industriel
Lame de production: Taiwan
Lame: acier inoxydable AUS 10A
Traitement de la lame: délavé
Manche: Grivory
Longueur de la lame: 114 mm.
Épaisseur de lame: 4mm.
Longueur fermé: 152 mm.
Longueur totale: 266mm.
Épaisseur une fois plié: -
Equilibrage: -
Poids: 260g.
Fermoir: Tri-Ad verrouillage
Clips: acier inoxydable amovible
Gaine: -
Conditionnement: boîte en carton avec des logos de Cold Steel
Notes: -

Intended use: Tactical / Collection

Type of production: Industrial
Lama production: Italy
Blade: Stainless steel N690Co 58HRC
Lama treatment: DLC
Handle: G-10
Blade length: 110mm.
Blade thickness: 5mm.
Length closed: 137mm.
Total length: 245mm.
Thick when closed: 22mm.
Balancing: -
Weight: 246g.
Closure: Liner Lock
Clip: stainless steel
Sheath: -
Packaging: cardboard box with FKMD and Col Moschin logos
Notes: Wave opening system under the Emerson license

Intended use: Tactical / Military

Blade: stainless steel 420HC
Production Lama USA
Handle: Zytel
Blade length: 115mm.
Blade Thickness: 3.5mm.
Closed Length: 142mm.
Overall length: 255mm.
Balancing: -
Weight: 172g.
Lock: Liner Lock
Clip: -
Sheath: Cordura
Notes: Based on the dagger designed by William Fairbairn and Rex Applegate

Intended use: Tactical / Military

Blade: 420HC stainless steel
Lama production: USA
Handle: Zytel
Blade length: 115mm.
Blade thickness: 3.5mm.
Length closed: 142mm.
Total length: 255mm.
Balancing: -
Weight: 172g.
Closure: Liner Lock
Clip: -
Sheath: cordura
Note: -