Day Zero Survival Spring Assisted Open Camo Outdoor Rescue Pocket Knife - Tophatter's Guns'N'Weapons Store - FREE SHIPPINGDay Zero Survival Spring Assisted knife feature strong 440 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! Day Zero Survival Spring Assist knife: Solid steel orange camo handle. Window breaker on end of handle. Sharpened 440 stainless steel black blade. In line open