Wright Tool Socket, Shape II Standard Length, Series, Yes Impact Rated, Measurement System, Square Drive, Drive Size, in 3/8, Socket Size, in 9/16, 1-1/8 Overall Length, Opening Depth in, in 1/4, 55/64 Drive End Width, Socket End Width in, in 55/64, Number of Points, Bolt Clearance Depth, Alloy Steel, Finish.