CURT 60615 Double Lock Gooseneck Hitch with Flip and Store Ball, 30,000 lbs., 2 5 16 Inch Ball Adjustable a CURT custom wiring connector 2556048 a CURT custom wiring connector also called a T connector utilizes the socket for simple tongue weight Engineered with a vehicle specific design for a custom fit Concealed main body for OE look and seamless integration with the vehicle Tested for safety in accordance with SAE J684 Precisely welded for superior strength and fit Protected by a durable high gloss black powder coat finish Co cured in a rust resistant liquid Bonderite coating Equipped with an open back receiver for easy cleaning 1 1 4" x 1 1 4" ball mount features a 3 4" hole to accept a trailer ball shank Ball mount can be flipped to provide drop or rise for level towing Limited lifetime warranty (one year finish see the CURT application guide or visit curtmfg The Double Lock mounts underneath your truck bed with compatible gooseneck installation brackets and provides a removable 2 5 16" gooseneck trailer ball with a gross trailer weight capacity up to 30