The Obsidian clip knife features a high-grade, partially serrated-edge blade with dual thumb studs for one-handed opening. Safety-style plunge lock ensures that the blade stays open or closed. Additional features include Phillips and flathead screwdrivers, file, and bottle opener. Features a 3-1/8" 440 stainless-steel blade with a glass-filled nylon handle. 7-1/16" overall length. Weighs 4.6 oz.