This 12 in. hitch receiver extension with step adds clearance between the vehicle and the trailer, which is what makes a bike rack clear a mounted spare tire or gives a crew a place to stand around the trailer assembly. It accepts 2 in. hitch accessories and includes a 17 in. wide by 6 in. deep step plate. 12 in. extension length; accepts 2 in. hitch accessories. Adds clearance between the vehicle and the tow load. 17 in. wide x 6 in. deep step plate included. Sturdy cast-steel collar. Corrosion-resistant black powder-coated finish. Important, per Buyers Products: a hitch extension reduces maximum hitch capacity by 33%. Specifications Length: 12.00 in. Receiver size: 2.00 in. Mount type: Receiver extension Mounting hole size: 0.656 in. M.G.T.W.: Reduces maximum hitch capacity by 33% Material: Carbon steel Finish: Black powder-coat