Wright Tool Socket, Shape III Standard Length, Series, Measurement System, Square Drive, Drive Size, in 3/4, Socket Size, in 1-1/16, 2-1/16 Overall Length, Opening Depth in, in 1-3/64, 1-29/64 Drive End Width, Socket End Width in, in 1-9/16, Ball Locking, Number of Points, Bolt Clearance Depth, Alloy Steel, Finish.