This is a A-058-1060-003 Disc, Slip Clutch PN: 058-1060-003Main Description As Following : A-058-1060-003 Disc, Slip Clutch P.N: 058-1060-003 Inside Diameter: 3.858"Outside Diameter: 7.000" Stocked As: A-36F43 , Crosses To: A-36F43 , , Crossed From: SW03829 , Found in Section & Models : Hay Tool Parts > Slip Clutch Parts, Rhino ROTARY CUTTER: TW60, Rhino ROTARY CUTTER: TW72, Rhino ROTARY CUTTER: TW84 Associated Items : New Also This is An Aftermarket Product And : Inside Diameter: 3.858" Outside Diameter: 7.000"