Reese 1-7/8-in Lawn Tractor Hitch Ball in the Trailer Hitch Balls department at Lowes.com
1 7/8" Trailer Hitch Ball (3,500lbs)
Amazon.com: ORCISH Trailer Hitch Tri-Ball Mount with Hook & Pin, Trailer Ball Size 1-7/8", 2" and 2-5/16", Fit 2 Inch Hitch Receiver, 2/3 in 1 Ball Truck Hitch, Tow Hitch : Automotive
CURT 1-7/8" Trailer Hitch Tow Ball (1" x 3" Shank, 3,500 lbs., Chrome, Packaged) 40072 - The Home Depot
Tow & Stow Adjustable Trailer Hitch Ball Mount - Fits 2" Receiver, Tri – Ramptek
Amazon.com: LOCAME Adjustable Trailer Hitch, Fits 2-Inch Receiver, 6-Inch Drop Aluminum 1-7/8'' & 2'' Tow Ball Drop Hitch,12,500 LBS GTW-Tow Hitch for Heavy Duty Truck with Double Stainless Locks, Red, LC0046 :
1-7/8 in. Ball Coupler with 3 in. Channel Width - TowSmart
Adjustable TRI-Ball Hitch Mount, 1-7/8 in., 2 in. & 2-5/16 in. #1802225
1 7/8" Trailer Hitch Ball (3,500lbs)
Amazon.com: Traworvel Adjustable Trailer Hitch Aluminum 10 Inch Trailer Drop Hitch Ball Mount Fit 2 Inch Receiver 1-7/8" 2" and 2-5/16" Dual Tow Balls with Towing Hitch Pin Locks : Automotive