Pass-Thru™ X6™ Black Oxide Adjustable Wrench and Spline Socket Set, 11 PCVersatile fastening tool offers user multiple fastening options in a single tool design Wrench has laser etched SAE MM scales and wide jaw opening Pass thru reversible ratcheting system works over long threaded rod where normal ratchets and sockets wont fit Every pass thru socket replaces one standard and one deep Universal design fits 6 fastener typeshex, square, 12pt, E torx, partially rounded hex and spline