Proto® TorquePlus™ Socket, Deep Length, Yes Impact Rated, Measurement System: Metric, Square Drive, 1/2 in Drive, 10 mm Socket, 82.6 mm Overall Length, 11.1 mm Opening Depth, 23.7 mm Drive End Width, 16.3 mm Socket End Width, Side Locking Hole Locking, 6 Points, 65.8 mm Bolt Clearance Depth, Alloy Steel, Black Oxide