Proto® TorquePlus™ Socket, Standard Length, Yes Impact Rated, Measurement System: Imperial, Square Drive, 3/4 in Drive, 1-5/8 in Socket, 2-7/16 in Overall Length, 1 in Opening Depth, 1-3/4 in Drive End Width, 2-3/8 in Socket End Width, Side Locking Hole Locking, 6 Points, 1-1/2 in Bolt Clearance Depth, High Alloy Steel, Black Oxide