The Convert-a-Ball cushioned gooseneck adapter converts your 5th wheel into a gooseneck within minutes. There is no drilling or welding required. The adapter mounts directly to the king pin of the trailer. The gooseneck adapter is rated to 20,000 lbs., GVW, 20,000 lb. tongue weight. The Convert-a-Ball gooseneck adapter is cushioned 360 degrees, plus up and down. This takes the beating as opposed to the trailer or the truck. Included with the adapter are safety chains and positive lock coupler. You can easily attach a padlock to secure the trailer when connected or parked.