Mock Butterfly Stiletto Style Spring Assisted Open Day Zero Survival Pocket Knife - Tophatter's Inc. Weapons Store OnlineDay Zero Survival Butterfly knife style look appearance, fast spring assist side opening action, all black finish , Heavy stainless steel frame handle. Dagger shaped spear point style single edged 440 stainless steel blade. Open length: 10", One hand opening right left, frame lock and a side mounted metal clip. Day Zero Survival Spring Assist Knife Features: Mock Butterfly Stiletto Spring Open Assisted Complete length 10" 3 7 8" Half Serrated Blade 5"