Proto® Socket, Standard Length, No Impact Rated, Measurement System: Imperial, Square Drive, 1/2 in Drive, 11/16 in Socket, 1-1/2 in Overall Length, 13/32 in Opening Depth, 1-11/64 in Drive End Width, 1-11/64 in Socket End Width, Ball Locking, 8 Points, 1-1/64 in Bolt Clearance Depth, Alloy Steel, Full Polished