H-1 steel blades (precipitation-hardened steel), naturally hard w/o heat-treating, 1% nitrogen instead of carbon, cannot rust. Blade & steel components impervious to rust & pitting. Enlarged opening hole is easily accessible with gloved or wet hands. Black FRN handle with textured checkerboard pattern. Ambidextrous metal pocket clip. Lanyard hole. O/A: 8-1/4''. Closed: 4-3/4''.