Armstrong 20-132 Standard Length Drive Socket, Imperial, 1 in 12 Point Socket, 1/2 in Square Drive

Armstrong Drive Socket, Standard Length, Measurement System Imperial, 1/2 in Drive, Square Drive, 12 Point Socket, 1 in Socket, 1.614 in Overall Length, 1.307 in Drive End Width, 1.307 in Socket End Width, 0.846 in Opening Depth, High Alloy Steel, Black Oxide