Amazon.com: Buyers Products Tri-Ball Hitch with Chrome Towing Balls - 2-1/2 Inch Receiver - 1802252 : Automotive
2-5/16" Steel Hitch Ball with 1" Shank
DRAW-TITE | 80796 | Dual Ball Trailer Hitch Ball Mount, (2 Inch, 2-5/16 Inch Trailer Balls), Fits 2 Inch Square Receiver, 16,000 lbs. Capacity, Black
Reese Towpower | 21536 | Trailer Hitch Ball Mount Starter Kit, Fits 2 Inch Square Receiver, 2 Inch Drop, 6,000 lbs. Capacity, Includes 2 Inch Trailer Ball and Pin & Clip, Black