Astro Pneumatic Locking Pliers Slide Hammer Puller Features Benefits: Lock onto nearly anything then operate 2.5lb slide hammer to pull Direction serrated teeth designed specifically for pulling Threads into most common locking pliers / Vice Grips for use with your existing tools as well The Astro Pneumatic Tool 78415 Locking Pliers Slide Hammer Puller is designed to remove everything from cotter pins to old seals and bushing by using the universal puller to lock and hammer onto objects. This tool's quick detachable swivel end allows for adjusting and locking pliers on to the subject then attaching sliding hammer for removal. The threads in this unit thread into most common locking pliers/ Vice Grips for use with your existing tools as well. Warranty: 1 yr warranty on material and workmanship