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