Proto® TorquePlus™ Socket, Standard Length, No Impact Rated, Measurement System: Imperial, Square Drive, 1/2 in Drive, 1-1/4 in Socket, 1-55/64 in Overall Length, 1-1/8 in Opening Depth, 1-37/64 in Drive End Width, 1-37/64 in Socket End Width, Ball Locking, 12 Points, 1-17/32 in Bolt Clearance Depth, Alloy Steel, Full Polished