Armstrong Drive Socket, Standard Length, Measurement System Metric, 1/2 in Drive, Square Drive, 6 Point Socket, 14 mm Socket, 1.457 in Overall Length, 0.858 in Drive End Width, 0.823 in Socket End Width, 0.449 in Bolt Clearance Depth, 0.402 in Opening Depth, Ball Locking, High Alloy Steel, Chrome Plated