CURT 56343 Vehicle Side Custom 4 Pin Trailer Wiring Harness, Select Ford Flex rack The patented head of the 120973 The patented head of the A16 features a cast yoke with poly torsion inserts as well as interlocking jaws to create stability for your truck and trailer TW 3 4" trailer ball hole accepts any trailer ball with a 3" shank Adjustable rubber cradles will not scratch bike frames Tilts away for convenient rear vehicle access Arms fold down when not in use for compact storage Threaded anti wobble shank helps prevent bikes from swaying during travel Bolt together post can be disconnected for compact storage Protected by a durable black powder coat finish Limited lifetime warranty (one year finish If your vehicle is not equipped with wiring for towing a trailer or maybe it's the next big jobsite