This is a A-785609 Blade, Disc Mower, RH PN: 785609Main Description As Following : A-785609 Blade, Disc Mower, RH P.N: 785609 Hole Diameter: .716" / 18.2mmLength: 4.566" / 116mmThickness: .157" / 4mmType: 9 RHWidth: 1.772" / 45mm Stocked As: A-76N944 Found in Section & Models : Hay Tool Parts > Disc Mower Blades, Ford / New Holland MOWER CONDITIONER: 411 (S/N <-711815) Associated Items : New Also This is An Aftermarket Product And : Hole Diameter: .716" / 18.2mm Length: 4.566" / 116mm Thickness: .157" / 4mm Type: 9 RH Width: 1.772" / 45mm