RV2 Gooseneck Adapter 9" OffsetProduct Description: This fifth wheel gooseneck adapter allows you to tow your fifth wheel trailer with the convenience of a 2 5 16 Inch gooseneck ball. This enables the full use of the pickup bed when it's not being used for towing. User friendly features include 4 Inch height adjustment, a variety of offsets, and a precision cast, self latching coupler. The coupler can be unlatched without getting in the bed of the truck by way of the cable assembly