This is a A-ZA113384A1 Blade, Disc Mower, RH PN: ZA113384A1Main Description As Following : A-ZA113384A1 Blade, Disc Mower, RH P.N: ZA113384A1 Sold In Multiples Of 25Hole Diameter: .889" / 22.6 mmLength: 4.750" / 121 mmThickness: .157" / 4 mmType: 9 RHWidth: 2.000" / 50.8 mm Stocked As: A-527748BH Found in Section & Models : Hay Tool Parts > Disc Mower Blades, Case-IH MOWER CONDITIONER: 3309 (W/ Heavy Duty Disc), Case-IH MOWER, DISC: 3204 (W/ Heavy Duty Disc), Case-IH MOWER, DISC: 3205 (W/ Heavy Duty Disc), Case-IH MOWER, DISC: 3206 (W/ Heavy Duty Disc) Associated Items : New Also This is An Aftermarket Product And : Hole Diameter: .889" / 22.6 mm Type: 9 RH