CURT Bent Plate 5th Wheel Rail Gooseneck Hitch with Ball Offset 3"The CURT 5th wheel rail gooseneck hitch is a gooseneck hitch that mounts into a set of industry standard 5th wheel base rails, allowing you to tow both 5th wheel trailers and gooseneck trailers with the same pickup truck. CURT 5th wheel gooseneck hitches feature four pin and clip attachment points for a solid installation and quick removal when necessary, giving you full access and full use of your truck bed for hauling other loads. This 5th wheel