Armstrong 39-017 Standard Length Drive Socket, Metric, 17 mm 6 Point Socket, 1/2 in Square Drive

Armstrong Drive Socket, Standard Length, Measurement System Metric, 1/2 in Drive, Square Drive, 6 Point Socket, 17 mm Socket, 1.457 in Overall Length, 0.925 in Drive End Width, 0.925 in Socket End Width, 1/2 in Bolt Clearance Depth, 0.449 in Opening Depth, Ball Locking, High Alloy Steel, Full Polished Chrome Plated