Amazon.com: Wallace Forge Gooseneck to Kingpin Adapter - Made in U.S.A : Automotive
Gooseneck to Kingpin Adapter (Round or Square) | Nationwide Trailer Parts
Dexter Distribution - Wallace Forge Gooseneck to 5th Wheel Adapter 2085295
Rear Gooseneck Adapter 2-5/16" Ball & 2" King Pin Silver For Trailer Fifth Wheel | eBay
Kingpin to Gooseneck Ball Adapter 30K – Trailer Tech Las Vegas
$147-Flip Over Gooseneck Hitch Accessories | FL2 King Pin for FlipOver Hitch to hook to a inverted 5th wheel hitch, this is NOT a double kingpin. Hitches & Couplers
Amazon.com: Gooseneck Ball Adapter - Fifth Wheel Kingpin to 2-5/16 Inch Gooseneck Ball Towing Receiver Adapter - Silver : Automotive
Wallace Forge King Pin to Gooseneck Ball Adapter | Fayette Trailers LLC