The Eaz-Lift Gooseneck Adapters will convert most standard fifth-wheel trailers to a gooseneck trailer. This allows you to have the convenience of towing two types of trailers with only one truck. You will also enjoy towing a fifth-wheel trailer without having a large hitch taking up the bed of your truck. Eaz-LiftÃs Gooseneck adapters feature an automatic latching coupler for a simple hookup and disconnect. They have a 30, 000 lb tow rating. Easy to install and each adapter comes with all of the parts and hardware needed for installation. | Eaz-Lift Gooseneck Adapter, 17"