GNRK1320 B&W Turnoverball Underbed Gooseneck Trailer Hitch w Custom Installation Kit 30,000 lbs Adjustable Our 5th wheel rollers mount 2055104 Our 5th wheel rollers mount easily onto a set of 5th wheel rails or a gooseneck adapter already installed in the bed of your pickup truck trailer tongue weight Side wind handle easily raises or lowers trailer coupler Weld on pipe mount accepts a 9 16" pull pin Swivel bracket allows jack to fully swing up and out of the way for travel Pull pin keeps jack securely locked in place 15" of vertical travel accommodate multiple ball heights Limited lifetime warranty (one year finish Vertical load limit: 7 Heavy duty underbed hitch lets you tow your gooseneck trailer