Our Knife Keychain features a high quality 2 1/2" stainless steel blade which is housed safely inside the key ring tube when not in use. To use the knife, unscrew the bottom bolster, remove the knife and thread the base of the blade into the end of the tube which makes an excellent handle. Measures 3 1/2" long (closed) and 5/8" in diameter. Findings are solid brass with 24K gold plating.Made from Walnut