Proto® TorquePlus™ Socket, Deep Length, No Impact Rated, Measurement System: Metric, Square Drive, 3/8 in Drive, 11 mm Socket, 54 mm Overall Length, 43 mm Opening Depth, 11 mm Drive End Width, 16.5 mm Socket End Width, Ball Locking, 12 Points, 44 mm Bolt Clearance Depth, Alloy Steel, Full Polished