The Maddox Universal Locking Lug Nut Removal Set includes four sockets in sizes 17mm, 22mm, 21mm, and 19mm, suitable for metric measurements. Made by Maddox with a black surface finish, these impact sockets feature various drive types and a 1/2 inch drive size. This set includes all the necessary tools for removing locking lug nuts securely. Perfect for automotive maintenance and repairs, this set ensures a reliable solution for removing stubborn lug nuts quickly and efficiently.