RETAINING RING 3/4"DR 1-5/8"ID

Williams 3/4" Drive One-Piece Ret Rings are retaining rings that fit all Williams 3/4" drive sockets and accessories and securely retain to the square drive of an impact wrench. They are equipped with a Crush Gage on the resin pin to indicate when a socket is worn and should be replaced. They are made of oil resistant material.