Quick Products QP-HS1820 Class III Trailer Ball Mount with Double Welded Hitch Balls - 5000 lbs. (1-7/8" and 2" Ball Size) - Walmart.com
2-Ball Adjustable Aluminum Hitch, 6 in. Drop / 6 in. Rise
2" Ball Mount Hitch with 0 Drop
Reversible Ball Hitch, Double Ball, 1-7/8 In. and 2 In.
Amazon.com: Adjustable Trailer Hitch, Fits 2.5 Inch Receiver, 8 Inch Drop Hitch, 18,500 LBS GTW, Aluminum Forged Shank, 2 Inch & 2-5/16 Inch Balls, Towing Hitch for Heavy Duty Truck with Double Lock Pins : Automotive
TowSmart Class 2 Up to 6,000 lb. 1-7/8 in. and 2 in. Ball Diameters Dual Adjustable Trailer Hitch Ball Mount 726 - The Home Depot
Trailer Dual Ball Mount Capacity 2K & 5K Ball Diameter 1 7/8" & 2" Solid Black Shank | Towing Accessories | Prime Steel