Proto® Impact Universal Joints

Tight tolerances for snug fit on fastener. Ball and spring design which allows for a 30 working angle. Designed to withstand the high torque and force associated with impact tools in repetitive application. Features two through holes and a groove to accept a Proto Retaining Ring or pin and O-ring to help secure the socket to the drive tool anvil. Position at appropriate angle to turn fasteners where obstructions prevent a straight application.