Wright Tool Socket, Shape II Standard Length, Series, Measurement System, Square Drive, Drive Size, in 1/2, Socket Size, in 11/16, 1-1/2 Overall Length, Opening Depth in, in 49/64, 63/64 Drive End Width, Socket End Width in, in 63/64, Ball Locking, Number of Points, Bolt Clearance Depth, Alloy Steel, Finish.