Rig Washing Detergent, 50 lb, Drum no checkout Tight tolerances for snug fit 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 Silicone facepiece conforms to facial features Contoured sealing flange and cradle suspension system eliminates discomfort Cradle suspension system allows the facepiece to seal evenly on the face without creating pressure points Super Heavy Duty Concentrate Cuts through heavy oils pads and jacks