Armstrong Impact Socket, Deep Length SAE, 1-7/16 in Socket, 3/4 in Drive, Squared Drive, 3-1/2 in Overall Length, 6 Points, 1-3/4 in Drive End Width, 2-1/4 in Socket End Width, 1.061 in Bolt Clearance Depth, 1-1/8 in Opening Depth, High Alloy Steel, Black Oxide