Armstrong 47-220 Deep Length Metric Impact Socket, 20 mm Socket, 1/2 in Drive, 3.228 in OAL, High Alloy Steel, 6 Points

Armstrong Impact Socket, Deep Length Metric, 20 mm Socket, 1/2 in Drive, Squared Drive, 3.228 in Overall Length, 6 Points, 1.252 in Drive End Width, 1.252 in Socket End Width, 0.748 in Bolt Clearance Depth, 0.63 in Opening Depth, High Alloy Steel, Black Oxide