Proto TorquePlus Socket, Deep Length, Series, Yes Impact Rated, Measurement System, Square Drive, Drive Size, in 3/4, Socket Size, mm 43, 3-1/2 Overall Length, Opening Depth in, in 2-19/64, 1-59/64 Drive End Width, Socket End Width in, in 2-1/2, Side Locking Hole Locking, Number of Points, Bolt Clearance Depth, in 2-29/64, Alloy Steel, Finish