SE MT908 11-Function Stainless Steel Survival Pocket Tool Credit card-sized (easily fits inside your wallet, pocket, etc.) Comes in a black fitted leatherette carrying case 11 Functions include the following: Can opener / Bottle cap opener / 4-Position wrench / 2-Position wrench / Butterfly screw wrench / Direction anxillary wrench / Knife edge / Saw blade / Screwdriver / Ruler / Keychain hole (for easy attachment onto your gear) Stainless steel tool Size of a credit card 11 useful functions A must-have for the camper or backpacker