The CTA 5-pc Flip Socket Set, No. 1463, offers two hex sizes with 1/2" square drive in center on each socket. The half metric sizes are useful for the removal of inflated, warped and mangled chrome-cap style lug nuts found on most GM, Ford, Chrysler, Toyota, Honda, and Range Rover. The set includes 18.5mm x 19.5mm (Ford, No. 4221), 19mm x 21mm (No. A168), 21mm x 21.5mm (No.1799), 22mm x 22.5mm (No. 4222), and a 1/2" drive extension.