CURT 10,000 lbs. Receiver-Mount Trailer Hitch Ball Mount & Pintle Hook Combination with 2 in. Ball (2 in. Shank) 48007 - The Home Depot
12 Ton Combination Pintle Hitch with 2-5/16" Interchangeable Ball | Mill Supply, Inc.
20K Ball & Pintle Combination Hitch with 2" Ball - Pine Hill
Amazon.com: REYSUN 864185 8 Ton Bolt on Pintle Hook Hitch Ball Mount with 2-5/16 inch Trailer Ball Combination, fits for Pintle Mount with Fastner Kit : Automotive