Flip-Over the ball from it`s upright position to have a level bed. The ball can rotate in the socket to keep it clean and save the ball from a bad coupler. Simply rotate the handle located in the wheel well of truck 90 degrees to release or lock the ball, no having to try and hook or catch a small handle to release or lock the ball. All bolt together using existing frame holes and installs without loosening or removing the bed. Ships in 2 boxes.