Proto® TorquePlus™ Socket, Standard Length, No Impact Rated, Measurement System: Imperial, Square Drive, 3/8 in Drive, 1 in Socket, 1-3/8 in Overall Length, 13/16 in Opening Depth, 1-5/16 in Drive End Width, 1-5/16 in Socket End Width, Ball Locking, 6 Points, 15/16 in Bolt Clearance Depth, Alloy Steel, Full Polished