Feature 1Fast Installation: Gooseneck 5th wheel trailer adapter allows your gooseneck trailer to be towed by a fifth wheel hitch, easily mounted to your truck without welding or dismantling of the truck chassis required. 2Rugged Construction: The kingpin to gooseneck ball adapter is made with a one piece machined forging process for even force and tight metal fabrication for plenty of strength. 38in Center Disc: The 5th wheel to gooseneck adapter has an 8in diameter intermediate disc to better withstand the traction of the trailer on the road, use spacers will better solve possible wobble issues. 430000lbs Capacity: The fifth wheel hitch adapter features a sturdy 2 inch forged kingpin, hardened steel 25/16 inch gooseneck ball, and has a traction up to 30,000 pounds of gross trailer weight. 5Safe to Use: The gooseneck to kingpin adapter ball provides a tight, non vibration fit, allowing you to tow your fifth wheel or gooseneck trailer with confidence! Item Type: Gooseneck Ball Adapter Material: Metal Color: Black Maximum Towing Weight: 30000lbs Fitment: Fit for Gooseneck Trailers and Tractors with Fifth Wheel Plate Package List 1 x Gooseneck Ball Adapter Note Before purchasing, check the product size. Not all gooseneck ball adapters are the same or have the same size. Make sure it fits your trailer and towing device before purchasing.