Wheel locks help safeguard not only wheels and tires, but also the vehicle itself. Wheel locks are constructed of precision-weighted, machined and hardened steel with triple-nickel plating, followed by a layer of chrome for a tough, enduring shine. They are also height-matched and weight-balanced to exacting specifications and install in minutes. Replace one lug nut per wheel to secure all wheels. For increased security, the computer-generated groove key patterns are extra narrow to resist lock removal tools and are unique for each set of wheel locks. Each set includes four wheel locks and a matching key tool, and the key is compatible with the factory lug nut wrench. For safekeeping, there is a designated place for the wheel lock key in the tool tray near the lug wrench. A customer service program provides replacement keys and locks upon request.