Demco EZ-Latch 2 5/16" Trailer Coupler - Fits 3" Channel - 21k Capacity - Lets You Hook Up When Latch is in Closed Position - Just Drop Coupler over Hitch Ball &
B&W TS10065BMP B&W Tow & Stow 2-Ball Mount 2" X 2 5/16" - 4 1/2" Drop - 5 1/ 2" Rise
Curt 40088 Raw Hitch Ball, 2-5/16" Inch Ball, 2" Inch Shank Dia, 3-1/2" Inch Shank Length, 30,000lbs
Amazon.com: CURT 45041 Trailer Hitch Mount with 2-5/16-Inch Ball & Pin, Fits 2-Inch Receiver, 7,500 lbs, 2-In Drop : Automotive
CURT 2-5/16" Trailer Hitch Tow Ball (1-1/4" x 2-5/8" Shank, 15,000 lbs., Chrome) 40030 - The Home Depot