This BlackJack Model 12 HALO Boot Knife features a 3 3/4" plain edge blade of A-2 Tool Steel. Convex Grind. Full length tang. Natural Canvas Micarta Handles. Aluminum double guard. 7" overall length. High quality Leather Sheath with metal clip.
A2 is a high carbon tool steel. While considered by many to be a superior hard use steel it is prone to tarnishing, discoloration and rust. Use appropriate care.