Reese weight distribution equalizer Hitch complete including a Draw Tite head kit rated 17,000 pounds. A Reese shank rated 14,000 GTW and 1500 pound TW. Reese trunion bars and Reese lift brackets. This package new was over $700.selling for $275 or best offer. The ball is 2 5/16 inches. I do not know the year these were made but they are still made and current part numbers.