Zero Tolerance Rescue Tool Carbide glass breaker, Oxygen tank wrench, Slip-wrench accept 3/8, 7/16 and  in. hex heads Steel: Sandvik 13C26 stainless steel with Tungsten DLC coating 270 degrees of non-exposed cutting surface Overall Length: 6 in.; Weight: 2.4 oz. (3.4 oz. w/sheath) Includes jump rated sheath