Fleet Owners and Owner Operators: Wheel and tire theft is one thing that you can't afford. Your answer to around the clock wheel and tire security is McGard. McGard manufactures wheel locks in the USA to meet or exceed O.E.M. standards for safety and durability. Simply replace one lug on each wheel. There are no moving parts to corrode or jam. Each lock has a specially coded pattern milled into it that engages with the corresponding pattern on the key/adapter tool. All locks are made of high quality alloy steel and through hardened for strength and durability. McGard wheel locks can be installed to the recommended torque for your lug nuts using an impact style or standard lug wrench. Compatible with most standard lug nut caps. For use with metric hub mounted disc wheels. This product may contain globally sourced materials/components.