Insert the screwdriver bits and place the bit into the keychain's magnetic port. Store the bits inside the keychain by removing the screw-off cap. Keychain Material: Plastic Contents: a Tri-Wing Screwdriver, Flathead Screwdriver and Star Bit Magnetic port holds the bits in place Packaged inside the keychain cap Metal split ring attachment Size: 2-1/4" Long x 1/2" Diameter