Astro Pneumatic Locking Pliers 78415 Slide Hammer Puller The Astro Pneumatic Locking Pliers 78415 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 Astro Pneumatic Locking Pliers 78415 Slide Hammer Puller threads into most common locking pliers / vice grips for use with your existing tools.