Amazon.com: CURT 45042 Trailer Hitch Mount with 2-5/16-Inch Ball & Pin, Fits 2-Inch Receiver, 7,500 lbs, 4-Inch Drop , Black : Automotive
Shocker Air Trailer Tongue Mount Coupler 20,000 lbs for 2-5/16″ Ball
Amazon.com: XPE Trailer Hitch Tri Ball Mount with Hook,Fits 2” Hitch Receiver,1-7/8", 2"& 2-5/16"Matt Black Plated Balls,Secure with Self-Lock Latch, 10,000 LBS GTW,for RV,SUV, ATV and Truck etc : Automotive
Bulldog 2-5/16" Hitch Ball Flat Mount Coupler - The Trailer Shoppe
Double Ball Mount - 2" and 2 5/16" Over/Under Hitch Balls - 8" Shank - Ball Mounts - Products
HHS250 2" Receiver Drop Hitch – Proven Industries
Amazon.com: Adjustable Trailer Hitch, Fits 2.5 Inch Receiver, 10 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