Spyderco Jumpmaster Serrated Edge Knife, Black Made using the highest quality materials Tested for quality and durability The most trusted name in you cutlery needs A unique fixed-blade knife designed to meet the specific needs of the U.S. Army's 82nd Airborne Division Hollow-ground from H-1, an extraordinary steel that is totally impervious to rust Fully-serrated sheepfoot blade cuts with extreme power on rope, webbing and other challenging materials Full-tang construction and textured fiberglass-reinforced-nylon handle scales ensure strength and a positive, comfortable grip Injection-molded polymer sheath is ambidextrous and purpose designed for mounting on the calf for easy access