This is a A-RB008 Ball, Replacement, Cat II PN: RB008Main Description As Following : A-RB008 Ball, Replacement, Cat II P.N: RB008 Holes: 1.140"Outside Diameter: 2.520" Replaces: RB08 RESOURCE INTERNATIONAL Found in Section & Models : Hitch & Drawbar Parts > Hitches: 2PT and 3PT, (Miscellaneous) (UNDEFINED): SEVERAL, Hitch & Drawbar Parts > Lift Link Balls, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Holes: 1.140" Outside Diameter: 2.520"