Converts a gooseneck style trailer to kingpin for use with a fifth wheel hitch. Simply remove the trailer's gooseneck coupler, slide in the kingpin adapter and adjust the height. Constructed of 4 inch square, 1/4 inch wall tubing, 22 inch long with 8 inch diameter bolster plate. Rated 30,000 maximum gross trailer weight. Pipe may be drilled to pin adapter in place. Do not drill through seams in pipe. Made In U.S.A.

• 2 inch kingpin fits most standard RV fifth wheels
• 4 inch square tube, 22 inch long