This CURT gooseneck ball utilizes the puck system built into certain pickup trucks today with the towing prep package, featuring a patented installation system and operating with a simple quarter-turn latch lock for ease of use and a secure mount. It provides a ball diameter of 2-5/16" and has a gross trailer weight capacity of 30,000 lbs. This particular OEM puck system gooseneck ball is compatible with Ford and Ram pickups with the truck bed puck system. It can also be used in our OEM-compatible Ram hitches #60613 or #60614. It is not designed to fit any other gooseneck ball holes.