CURT 10,000 lbs. 5-3/4 in. Drop Adjustable Trailer Hitch Tri-Ball Mount with 1-7/8 in. 2 in. & 2-5/16 in. Balls (2 in. Shank) 45799 - The Home Depot
Tow & Stow Adjustable Trailer Hitch Ball Mount - Fits 2" Receiver, Tri – Ramptek
Reese 1-7/8-in x 2-5/16-in Tri-Ball Draw Bar in the Trailer Hitch Ball Mounts department at Lowes.com
Tri-Ball Mount with Hook
Apex Trailer Hitch Triple Ball Mount - Class III/IV | Discount Ramps
Triple Ball Trailer Hitch Mount with Hook
B&W Tow & Stow Class V Tri Ball Trailer Hitch Mount with 1-7/8 in, 2 in, 2-5/16 in. Fits 2.5 in. Rec, 7 in. Drop TS20049B at Tractor Supply Co.
Amazon.com: TOPTOW 64181L Trailer Receiver Hitch Triple Ball Mount with Hook, Black Balls, with Lock, Fits for 2 inch Receiver : Automotive
Amazon.com: TOPTOW 64180L Trailer Receiver Hitch Triple Ball Mount with Hook, Fits for 2 inch Receiver, Chrome Balls, 2 inch Shank, with 5/8 inch Lock : Automotive
Amazon.com: TOPTOW 64181 Trailer Receiver Hitch Tri Ball Mount with Hook Black Balls Fits for 2 inch Receiver : Automotive