Sunex® Socket, Deep Length Shape C, Series, Yes Impact Rated, Measurement System, Drive Size, in 1/2, Socket Size, in 1-3/4, 93 Overall Length, Opening Depth mm, mm 39, 44 Drive End Width, Socket End Width mm, mm 63, Number of Points, Bolt Clearance Depth, mm 64, Chrome Molybdenum Alloy Steel, Finish