Grip-On-Tools, Tri-Ball Trailer Hitch Mount, 16172 Eliminates the need to have three different sized trailer couplers Powder coat finish and chrome plated hitch balls to resist rust and corrosition 1 7/8" with 3500 lb. capacity, 2" with 5000 lb. capacity, 2 5/16" with 7500 lb. capacity Black and Chrome DOT approved