Wright Tool Socket, Deep Length Shape III, Series, Yes Impact Rated, Measurement System, Square Drive, Drive Size, in 1/2, Socket Size, in 1-1/4, 3-1/2 Overall Length, Opening Depth in, in 2-19/32, 1-3/8 Drive End Width, Socket End Width in, in 1-3/4, Ball Locking, Number of Points, Bolt Clearance Depth, Alloy Steel, Finish.