78415 Locking Pliers Astro Pneumatic Slide Hammer Puller The 78415 Locking Pliers Astro Pneumatic Slide Hammer Puller is a universal puller for locking onto and hammering to remove everything from cotter pins to old seals and bushings. Quick detachable swivel end allows for adjusting and locking pliers on subject then attaching sliding hammer for removal. The 78415 Locking Pliers Astro Pneumatic Slide Hammer Puller threads into most common locking pliers / vice grips for use with your existing tools.