This is a A-700712888 Blade, Disc Mower, RH PN: 700712888Main Description As Following : A-700712888 Blade, Disc Mower, RH P.N: 700712888 Hole Diameter: .716" / 18.2mmLength: 4.213" / 107mmThickness: .157" / 4mmType: 9 RHWidth: 1.772" / 45mm Stocked As: A-76N946 , Crosses To: A-76N946 , , Crossed From: A-700715575 , Found in Section & Models : Hay Tool Parts > Disc Mower Blades, Case-IH MOWER CONDITIONER: 8309, Case-IH MOWER CONDITIONER: 8312, Case-IH MOWER CONDITIONER: 8315, Case-IH SWATHER/WINDROWER: 8850, Hesston MOWER CONDITIONER: 1320, Hesston MOWER CONDITIONER: 1340 Associated Items : A-700712889 Also This is An Aftermarket Product And : Hole Diameter: .716" / 18.2mm Length: 4.213" / 107mm Thickness: .157" / 4mm Type: 9 RH Width: 1.772" / 45mm