DZS Pocket Knife Stonewash Rescue Tactical EDC Wood Handle - Tophatter's Inc. Weapons Store OnlineDay Zero Survival knife feature strong black oxide and stone finish stainless steel blade and is very sharp right out of the box. The blade is opened using the forefinger or thumb stud located directly on the blade itself. Just give it a light push and watch the blade spring open, ready for action! Includes pocket clip, seat belt cutter and glass breaker. Day Zero Survival knife: Black oxide and stone finish + Wooden Insert handle. Window breaker on