Puller sockets are designed to easily remove damaged, stripped or corroded nuts. They can be used on lugs, nuts, bolts, pipe unions, etc. Simply place the puller on the nut that needs to be removed and apply torque with a ratchet, impact bar, air wrench, etc. The socket end with hex opening and end with twist opening. The set includes: 4 hubcap locking lug nut removers; 2 chrysler, Ford and GM lug lock removers; 2 7/8″ and 3/8″ removers for large and damaged lug locks; 1 large after-market locking lug nut remover; 1 GM wheel locking lug nut remover; 1 extractor punch; 1 18mm smooth nut remover; 3″ extension; 1 plastic box.