This is a A-VLE6146 Ball, Replacement, Cat II PN: VLE6146Main Description As Following : A-VLE6146 Ball, Replacement, Cat II P.N: VLE6146 Hole Diameter: 25.7mmOutside Diameter: 50mm Replaces: A-5172480 NEW HOLLAND Found in Section & Models : Hitch & Drawbar Parts > Hitches: 2PT and 3PT, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Hole Diameter: 25.7mm Outside Diameter: 50mm