Amazon.com: ONLTCO Ball Mount Hitch Adjustable 6 Inch Drop/Rise Includes 2" & 2-5/16" Chrome Steel Dual Balls, 2 Pcs 5/8" Hitch Lock, Aluminum Trailer Hitch for Vehicles, Boats, Fits 2" Receiver, 10000 lbs. GTW. :
Adjust Dual Ball Mount | High End adjustable Tow Hitch – Primo Trailer Parts
Amazon.com: TYT Adjustable Trailer Hitch Ball Mount, 2" Towing Ball 7500 LBS, 9-1/2" Drop and 8-1/4" Rise, Fits 2-in Receiver with 2 Pin&Clips and 5/8" Premium Pin Lock for Heavy Duty Truck :
Amazon.com: Tlvuvmo Adjustable Trailer Hitch - 8 Inch Drop Hitch Ball Mount for 2 Inch Receiver, 12,500 GTW, 2" and 2-5/16" Stainless Steel Tow Balls, Aluminum Tow Hitch with Double Anti-Theft Pins
Buyers Products Company 2 in. and 2-5/16 in. Towing Ball Mount with Dual Black Balls 1803215 - The Home Depot
Reversible Dual Trailer Tow Ball-Mount 1-7/8" and 2" (5K 10K Capacity) PS-18173 PS-18174 | Towing Accessories | Prime Steel