Armstrong Drive Socket, Standard Length, Measurement System Metric, 3/4 in Drive, Square Drive, 12 Point Socket, 32 mm Socket, 2.169 in Overall Length, 1.567 in Drive End Width, 1.819 in Socket End Width, 1.26 in Bolt Clearance Depth, 1.098 in Opening Depth, Ball Locking, High Alloy Steel, Full Polished Chrome Plated