Humvee HMV-KC-ER1 Black Emergency Rescue Knife And Light Combo Black anti-reflective coating & emergency seatbelt cutter Glass fiber anti-slip grip & metal pocket clip Half plain half serrated blade length is 3 1/4 inch The light has a 1/2 watt ultra-bright pure white LED 4 inch overall length detachable Lanyard and operates on 1 AA alkaline battery Black anti-reflective coating & Emergency seatbelt cutter Glass fiber anti-slip grip & Metal pocket clip Half plain half serrated blade length is 3 1/4" The light has a 1/2 watt ultra-bright pure white LED 4" overall length Detachable lanyard and operates on 1 AA alkaline battery