Extreme Max's Clamp-On Forklift Pallet Fork Trailer Hitch Receiver Adapter slides over the end of a forklift fork to transform it into a versatile 2 in. x 2 in. trailer hitch receiver. Installation is easy, clamping to the fork with no tools requires. Extreme Max's Tri-Ball Hitch contains three welded-on hitch balls and a durable heavy-duty tow hook, providing a level of versatility that prepares you and your tow vehicle for nearly any situation that may arise. The Tri-Ball Hitch fits standard 2 in. x 2 in. receivers and offers the following three ball sizes: 1-7/8 in., 2 in., and 2-5/16 in. Each component features a resilient black powder-coat finish. Tri-Ball Hitch Maximum Capacity - 7/8 in. Ball: 2,000 GTW, 2 in. Ball: 5,000 GTW, 2-5/16 in. Ball: 10,000 GTW. Requires a 5/8 in. hitch pin (not included).