Armstrong Impact Socket, SAE Standard Length, 4 in Socket, 1-1/2 in Drive, Squared Drive, 5.48 in Overall Length, 6 Points, 3-3/4 in Drive End Width, 5-3/4 in Socket End Width, 2-7/8 in Bolt Clearance Depth, 2.51 in Opening Depth, High Alloy Steel, Black Oxide
