The Zt-Zero Tolerance 0452G10 Flipper Knife Black G-10/Bronze Ti Satin M390 Plain Edge Blade. This 0452G10 flipper is a Dmitry Sinkevich design. This knife has a satin/stonewash finished Bohler M390 stainless steel blade with a flipper and the KVT ball-bearing pivot for quick, reliable one-handed deployment. The handle features a black G-10 scale and a bronze anodized titanium frame lock. Includes a tip-up carry pocket clip.