The SHOCKWAVE™ lineman's J hook socket is engineered to be the easiest way to remove j hooks from wooden utility poles. Designed for 7/16 in. J hooks, the quick insert slot geometry allows for easy set up on the hardware. It's rounded edges create an overall safer environment for removal, while the hardware hook helps to reduce drops. With a pre-drilled hole, the j hook socket can also be used for installation as well.