Proto® TorquePlus™ Socket, Deep Length, No Impact Rated, Measurement System: Metric, Square Drive, 1/4 in Drive, 5 mm Socket, 50.5 mm Overall Length, 7 mm Opening Depth, 11.7 mm Drive End Width, 7.9 mm Socket End Width, Ball Locking, 6 Points, 22 mm Bolt Clearance Depth, Alloy Steel, Full Polished