Wright Tool Socket, Impact Rated: Yes, Measurement System: Imperial, 1-1/2 in Drive, Impact Socket, 2-15/16 in Socket, 4-17/32 in Overall Length, 1-27/32 in Opening Depth, 3-3/4 in Drive End Width, 4-31/64 in Socket End Width, 6 Points, Shape III Style, Alloy Steel, Black Oxide.