Double Ball Mount - 2" and 2 5/16" Over/Under Hitch Balls - 8" Shank - Ball Mounts - Products
Triple Ball Mount Trailer Hitch with Tow Hook - 1-7/8", 2", 2-5/16" - Fits 2" Receiver Class III/IV Hitch - Hollow Shank Tow Hitch - Easy to Install Towing Accessory for Boat,
Amazon.com: Towever 84180P 2 inch Trailer Hitch Ball, Towing Tri Ball Mounts with Hook and Pin, Fits for 2 inch Tow Hitch Receiver : Automotive