This 2-5/16 inch Chrome Hitch Ball fits right every time and is selected to match: Thickness of ball platform, Hole Size in platform, Gross Trailer Weight and Size of the trailer coupler socket.
Hitch ball comes with wrench flats
Fits 2-5/16" couplers and accepts up to 7,500 lbs. GTW
Constructed from high-strength, hot-forged steel
Protected by a durable chrome-plated finish
Zinc-plated hex nut and helical lock washer for secure mounting
Features fine threads for superior holding strength
Tested for safety to meet U.S. VESC V-5 specifications
The mounting platform must be at least 3/8" thick, and the hole size must not be more than 1/16" larger in diameter than the threaded shank