X5 GOOSENECK - 5TH WHEELX5 GOOSENECK 5TH WHEEL ADAPTER PLATE Converts CURT Double Lock gooseneck hitches to 5th wheel rails For use with CURT and competitor 5th wheels up to 20,000 lbs. Industry standard base rails accept 5th wheel hitches and rollers Protected by a highly durable carbide powder coat finish No assembly or tools required just drop it in, lock it and go Co cured in a rust resistant liquid A coat Limited lifetime warranty (one year finish, one year parts)