The MK III Mod O Survival Knife was originally designed and built for Navy SEAL Team use. Survival features include: Solid steel butt cap for hammering, large non-slip plastic resin grip, special serrated back for rope or wood sawing, sharpened double-edge point for thrusting and cutting. Unique ambidextrous resin sheath has a drain hole, pistol belt hanger/belt loop and leg tie.