A key part of this system is the Hissatsu based on an old Japanese design. The unique shape of the blade, made famous by the legendary Samurai warlord Takeda Shingen, provides enormous penetrating power and superior slashing capability in one blade, which works with the natural motion of the body. James arrived at this modern version as a backup weapon for close-quarters combat.Features:- Handle: Kraton- Liners: Stainless- Blade: 440A Black- Blade Finish: Black EDP- Blade Style: Drop Point- Edge Style: PlainSpecifications:- Blade: Length: 7.125 (18.1 cm)- Thickness: 0.20 (0.51 cm)- Steel: 440A, 55-57 HRC- Knife: Overall length: 12.25 (31.1 cm)- Weight: 7.9 oz. (224 g)