These easy-to-use, one-piece wheel locks function like regular lug nuts, but require a special key tool for installation and removal.; The steel collar on the user friendly key guides the key into the lock pattern.; The collar holds the key in alignment for easy installation and removal.; The computer generated key designs allow for an infinite number of key patterns.; The extra narrow pattern groove on the lock resists the intrusion of removal tools into the pattern.; Every McGard wheel lock is fully machined from restricted chemistry steel made specifically for McGard and through-hardened for its unsurpassed level of security.; McGard's plating process includes several layers of nickel and one layer of microporous chrome producing a superior finish while protecting against rust.; This product may contain globally sourced materials/components.