Locking Lug Nuts - Chrome/BlackCone Seat-Tuner StyleThread Size: 1/2"-20Key Hex Size: 13/16"Includes 5 Lug Nuts and 1 Key McGard 25540BK Features:Protecting the world's finest wheels and tires from theft since 1964. McGard manufactures wheel locks in the USA to meet or exceed O.E.M. standards for safety and durability. Presently, McGard is an Original Equipment wheel lock supplier to most automobile brands around the world. 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.