This durable multi-purpose pocket knife has 6 functions. Stainless steel, high alloy, very durable and fully functional. Small to carry, very compact and lightweight. Great for outdoor activities. Functions include Knife, Bottle Opener, Nail File, Screwdriver, Cork Screw and Compass. Easily attached to a keychain or carabiner for convenient carrying. Measures 3 inches long when not in use.