This PS (Pacific Solution Marketing Inc) branded pocket knife features a 440 stainless steel blade with a length of about 3 inches. The straight back plain edge blade is excellent for opening letters and other mail. The handle of the knife is made of genuine American Buffalo Horn which gives it a unique and attractive appearance.The opening mechanism is manual and the knife is a slipjoint. It's a single-bladed pocket knife that is both ambidextrous and easy to use. This PS Buffalo Horn pocket knife is a rare find and was discontinued over a decade ago, making it a collectible item for knife enthusiasts. Handle length is about 3.75 inches. Includes a pocket clip. This knife is new in box and is a factory second. Rare find!