Rugged, versatile survival tool. Safety knife included. Low-profile sheath with built-in sharpener. Sheath Material: Ballistic nylon with fire retardant coating. Handle Material: Glass-filled nylon with TPV overmold The Gerber? LMF? II ASEK survival knife is an extremely tough military survival knife with a 4.84-in 420HC stainless-steel blade and a rugged nylon handle that's designed to absorb shock. The versatile design features a plexiglass punch on the end of the handle and rope holes for converting it to a spear. It comes with a safety knife and a low-profile shealth with an integrated sharpener.