3 4" Drive Impact Universal Joint no checkout and heat freeze Can be applied by and heat freeze Can be applied by brush or spatula to hot surfaces without running or dripping off Designed for professional grade contractor use with crush proof fittings 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