Grand Way Fixed Spear Point Dagger Knife - Good Dual Edge Knife with Fix Half Serrated Blade &ndash; Best Black Tactical Knife for Survival & Defense 2503 DOUBLE-SIDED SHARPENING OF THE SERRATED BLADE  with the help of the double-edged two-sided sharpening the penetrating capacity of the knife is increasing while thrusting. Serrated slice is occurring simultaneously under different angles, thats why such kind of sharpening is the most effective while cutting foliated and fibrous materials: nets, ropes, belts, lines, etc SHEATH IN A SET  the knife is equipped with an open type cordura sheath with non-cutting fixing and a rivet for secure fastening. Sheath protects the knife from outward influence and also from accidental loss RUBBER HANDLE  comfortable and secure, it has a small relief improving hand adhesion which prevents sliding QUALITATIVE STAINLESS STEEL BLADE  steel 440C is used in the knife, the amount of carbon in the knife is 1,2%. Steel 440C is considered to be high-technical stainless steel with 57-58 HRC rigidity, resistant to the corrosion. Steel 440C is the standard of qualitative stainless steel for knives, its widely spread and has a deserved reputation. Its also the most expensive 440 type steel METAL ROOFING  the butt of the knife has a metal roofing, which can be used as a hammer, which is very necessary during hunting, fishing or any trip