The 5 piece lug and lock flip socket set is designed to easily remove damaged lug nuts, using the 6 fluted twist socket end. Flip socket to other end to remove wheel locks with its 12 fluted twist design. A 1/2in Dr. 3in extension bar is recommended to use during operation. Sockets designed with 6 fluted twists for damaged lug nuts. Flip Socket opposite end has 12 fluted twists for wheel locks. All flip sockets have a 1/2in Dr. design. 1/2in Dr. 3in extension bar included. Heavy Duty blow molded case for storage.