The 5th Wheel Plate Adapter accept kingpins from RV & horse trailers as well as commercial trailers.
Will fit most cross bars with 2" receivers.
The 2" tow ball is standard, easy exchanged to a 2 5/16" tow ball allow goose neck trailers to be towed.
Specifications.
Towing Capacity 25,0000 lb  (empty trailers)    Towing Capacity pintle hook with 2" ball 10,000 lb.