MTECH USA Black Xtreme Double Blade Tactical Folder 8.75 inches long open, overall, blade is 4 inches long. The handle is machine ground poly resin fiberglass sheet that create a black over dark green appearance An adjustable hex screw on the back allows you to set the knife tension and the pocket clip facilitates easy carrying of the knife. 440C stainless steel with a RC hardness of 57-58 anodized black titanium nitride finish to the blade