Proto TorquePlus Socket, Standard Length, Series, Yes Impact Rated, Measurement System, Square Drive, Drive Size, in 1, Socket Size, in 1-7/16, 2-11/16 Overall Length, Opening Depth in, in 2-11/16, 2-3/32 Drive End Width, Socket End Width in, in 2-1/4, Side Locking Hole Locking, Number of Points, Bolt Clearance Depth, in 1-5/16, Alloy Steel, Finish