Protecting the world's finest wheels and tires from theft since 1964.; Wheel Lock bolts are designed in USA and manufactured in EU and USA.; Presently, McGard is an Original Equipment wheel lock supplier to most automobile brands around the world.; These easy-to-use wheel locks function like regular lug bolts, 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 utilizes fully machined, 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 with black PVD producing a superior finish while protecting against rust.; The bolt stem has a dacromet coating to meet O.E.M.; standards.; For use with steel or aluminum wheels with a ball-shaped seat.; Matching Lug Bolts are available in Installation Kits and Bulk Boxes of 50.; This product contains globally sourced materials/components. Black Bolt Style Radius Seat Lock Set (M14 x 1.5 Thread Size) - Set of 4 Locks and 1 Key