Bear Ops Bold Action 5 Bone Automatic Knife Black Tanto. Blade Material : Sanvick 14C28N Handle Material : Black G10 and White Smooth Bone Rockwell : 58-60 Closed Length : 4-1/2" Edge : 3-1/8" Weight : 4 oz. Extras : Automatic, Pocket Clip provides for Tip Up Carry & Quick Access