Aluma-Tow Multi Trailer Hitch Mounts in the Trailer Hitch Ball Mounts department at Lowes.com
Amazon.com: OPENROAD Adjustable Trailer Hitch Ball Mount Fits 2-Inch Receiver, 2" Tow Balls 7500lbs, 9-1/2" Drop/ 8-1/4" Rise Drop Hitch, Tow Hitch for Heavy Duty Truck with Stainless Steel Pins and Lock :
Convert-A-Ball Dual-Cushioned, Adjustable Ball Mount - 7" Rise to 9-1/2" Drop - 5,000 lbs | CDCUM | Universal Fitment | Dale's Super Store