The Aircrew Survival Egress Knife or ASEK is used by the U.S. Army’s Air Warrior Program and other branches of the U.S. Armed Forces. This useful survival kit’s features include: Partially Serrated Edge Sawtooth spine Electrically insulated, molded handle with holes that can be used to lash the knife as a spear Glass Breaker butt cap that can be used as a hammer Lanyard hole Flame retardant, MOLLE Compatible nylon sheath w/Kydex insert and two leg straps Anodized aluminum strap cutter w/screwdriver, honing rod, lanyard and replaceable blade.