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Fox - Yaru by Vox - Special Edition In SanMai SPG2 Steel - Blue Titanium - CO-527TI - knife

In stock:  Only 2 left
In stock. 
Only 2 left

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With this exclusive edition of Coltelleria Collini in collaboration with Fox we have chosen to match a model with a particular design like the Yaru with a Japanese powder (sintered) and rolled steel (SanMai) by Takefu Steel. 

For this project we chose to use the Super Gold2 (SPG2) steel at 62/63HRC for the cutting edge of the blade in order to guarantee exceptional cutting performance and sharpening durability, while at the same time ensuring a remarkable resilience and resistance to oxidation due to the blade lamination process. 


Intended Use: Sporting / Collection

Production type: Industrial
Country of Production: Italy
Blade: Rolled Japanese stainless steel (San Mai) with sintered cutting edge in SPG2 at 62/63HRC
Blade Treatment: Satinized
Handle and screws: Titanium anodized HDL
Blade length: 70mm.
Blade thickness: 4mm.
Length closed: 105m.
Total length: 175mm.
Thickness when closed: 16mm
Weight: 105g.
Closure: Frame Lock with stainless steel hinge
Clip: HDL anodized Titanium, billet machined
Scabbard: Zip pouch
Package: Cardboard box with Fox Knives logos 
Notes: Opening by Carson Flipper system - Movement on ball bearings - Design by Jesper Voxnaes - Exclusive version by Coltelleria Collini, Sprint Run in only 6 not numbered pieces, with Japanese stainless steel Takefu Steel SPG2 Rolled.


The rolled steel - imported in Italy by Collini Steel directly from the Japanese Takefu Steel - is based on the ancient Japanese tradition in the creation of the famous Samurai swords. As early as 1100, expert Japanese blacksmiths combined different materials to give Katana swords incredible cutting capabilities combined with previously unknown strength and flexibility. It is thanks to this revolutionary construction technique that the Samurai swords have been preserved until our days 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 by famous brands such as Fallkniven, Cold Steel, Mcusta, Kai, Sog, Zwilling, Rockstead, etc.


- Longer cutting edge life
thanks to the use of high quality steels with high carbon content (VG10, CoS, Shiro) or sintered (SPG2), in the core steel, the blade, once hardened, reaches hardness and cutting performances definitely higher than those reached with the use of traditional steels.

- Greater resilience
Built on the principle of Japanese swords, the 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).

- Improved corrosion resistance
The steel used for the outer layers (Stainless Steel) gives the blade a high resistance to corrosion. The combination of the two or more materials used by Takefu Steel generates, at a galvanic level, a structure that improves corrosion resistance even on the edge.

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

- Improved aesthetic performance
Knives made of multi-state steel or damask pattern at the end of the processing are aesthetically elegant, refined and highly appreciated by collectors all over the world.

Profilo Aziendale

Nel 1977 Oreste Frati, dopo una lunga esperienza nel settore produttivo e in quello commerciale, fonda la FOX Coltellerie.

Il nome dell’azienda, FOX (sono le iniziali del titolare), in inglese volpe, è quanto mai indicato per questa giovane azienda che, in così breve tempo, si è distinta per la carica innovativa e per la lungimiranza delle sue idee. Idee di successo che si sono introdotte in una scelta di materiali di qualità, in un uso di tecnologie avanzate e nella cura particolareggiata del minimo dettaglio.

Nonostante FOX sia molto cresciuta, tutta la produzione è ancora direttamente controllata e programmata dal signor Oreste, coadiuvato dalla moglie Valnea, dal figlio Gabriele e da collaboratori specializzati.

Ed è proprio questo felice binomio tra una consolidata tradizione professionale e il desiderio di innovazione tecnica, che ha fatto diventare FOX Coltellerie, un’azienda di prim’ordine nel panorama del mercato nazionale ed internazionale.

Al marchio Fox si è poi aggiunto l'FKMD - Fox Knives Military Division, dedicato ai coltelli tattici e militari, già apprezzati ed utilizzati da numerosi reparti militari in tutto il Mondo.

FOX Coltellerie: la lungimiranza delle innovazioni, con una base di solida professionalità.


More Information
BrandFox Knives
Country of productionItaly
Blade TypeFolding
Blade Length7/8cm
Blade TipDrop point
Blade thickness4 mm
Blade FinishNone (Satin / Stonewashed)
Stainless SteelSPG2 (laminated)
Handle MaterialTitanium
Locking TypeFrame Lock
DesignerJesper Voxnæs
RarityLimited Edition, Very Rare
Materials and Finishes8,5
Steel Quality8,5
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