This Benchmade 9101BK Auto Stryker is an Automatic Knife that features a 154CM stainless steel blade and a black sturdy aluminum handle. The tanto blade on the knife measures 3.60 in. and has a black finish and a plain cutting edge. The black aluminum handle provides a comfortable and secure grip and measures 4.70 in. Overall the length of the knife, when open, is 8.30 in. and it weighs approximately 4.20 oz. Made in the USA.