Proto® TorquePlus™ Socket, Standard Length, Yes Impact Rated, Measurement System: Metric, Square Drive, 3/4 in Drive, 36 mm Socket, 58.7 mm Overall Length, 23.8 mm Opening Depth, 44.4 mm Drive End Width, 57.2 mm Socket End Width, Side Locking Hole Locking, 6 Points, 32.4 mm Bolt Clearance Depth, High Alloy Steel, Black Oxide