Armstrong Drive Socket, Standard Length, Measurement System Imperial, 1/2 in Drive, Square Drive, 6 Point Socket, 7/16 in Socket, 1.455 in Overall Length, 0.86 in Drive End Width, 0.67 in Socket End Width, 0.281 in Bolt Clearance Depth, 0.4 in Opening Depth, Ball Locking, High Alloy Steel, Full Polished Chrome Plated
