CURT 40167, Chrome Trailer Hitch Ball, 7,500 lbs, 2-5/16-Inch Diameter, 1 x 2-1/8-In Shank, Packaged (1 MIN)
Item: CURT40167
Product Group: Trailer BallsProduct Type: 2 5/16 IN Trailer Balls
Attribute 3: 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