They have been protecting tires from theft since 1964. McGard usually manufacturer's wheel locks in the U.S.A. that meet and exceed the standards of safety and durability set by O.E.M. At the moment McGard is a supplier of original equipment wheel locks for more than 30 car lines all over the world. They are not only easy to use but they also come in one piece that functions just like any other lug nut but for installation and removal a special key is required. The key is user friendly and has a steel collar that acts as a guide for the key into the lock pattern. The patterns of the keys are computer generated and therefore there are infinite patterns. Each of the wheel locks are fully machined and they are manufactured from steel that is hardened to give it a higher level of security. The plating process includes three layers of nickel and one of chrome that is microporous that gives it superior finishing and protects it from rust. They can be used on "Tuner" wheels or other wheels that have a very small lug nut hole. They should be used on sport or utility vehicles that have O.E.M. rear mount spapre tire carrier. It comes with one lock for the spare tire and four for the road wheels and one key. The products to manufacture them are sourced all over the world.