Curt Manufacturing 60732 Towing Wiring Includes Double Lock gooseneck hitch #60607 and installation brackets #60661 Accepts up to 30,000 lbs. GTW and 7,500 lbs. vertical load limit Vehicle-specific design optimizes strength and installation time,Flip-and-store ball keeps truck bed free of obstructions Removable chrome-plated 2 5/16" trailer ball fits most gooseneck trailers Double locking pins for superior trailer and trailer ball security