Viper Fortis Stonewash Blade Folding Knife Carbon Fiber V FC. While possessing the unmistakable stylistic features of the Danish designer this folding knife differs from Odin and Kyomi in the extremely small thickness. This feature makes it even more comfortable in the daily carry without giving up being a handyman knife. This knife reaches the highest level of cutting skills because of the B hler M390 Microclean steel a third-generation powder metallurgy material. Specifications: Folding Knife Blade: B hler M390 MICROCLEAN sintered stainless steel; vacuum double temper and cryogenic treatments; hardness HRC 60/61; thickness 4 mm satin finish or stone washed finish. Locking mechanism: frame lock. Frame: titanium GR5 (Ti6Al4V); stone washed finish; with hardened steel insert. Spacer: titanium GR2 single-piece; anodized finish. Handle: carbon fibre titanium GR2 or G-10 CNC machining. Clip: titanium GR5 (Ti6Al4V); CNC machining. Screws: AISI 303/304 steel. Rotation Mechanism: thrust bearings. Package: cardboard box with logo. Specifications for Viper Fortis Stonewash Blade Folding Knife: Manufacturer: Viper Closed Length: 4.75 in Blade Material: Stone Handle Material: Carbon Fiber Handle Finish: Stonewash Quantity: 1 Package Contents: Viper Fortis Stonewash Blade Folding Knife Viper V 5952 FC: Fortis Stonewash Blade Folding Knife Carbon Fiber