This is a A-56151210 Blade, Disc Mower, LH PN: 56151210Main Description As Following : A-56151210 Blade, Disc Mower, LH P.N: 56151210 Sold in Multiples of 25Hole Diameter: .640" / 16.25mmLength: 3.740" / 95mmThickness: .139" / 3.5mmType: 9 LHWidth: 1.772" / 45mm Stocked As: A-76N942 , Crossed From: KN56151210 FRONTIER , 561-512-10 , , 561-512-10-5 , Found in Section & Models : Hay Tool Parts > Disc Mower Blades, Frontier MOWER, DISC: DM1130, Frontier MOWER, DISC: DM1140, Frontier MOWER, DISC: DM1150, Frontier MOWER, DISC: DM1160, Kuhn MOWER, DISC: FC44 (Angled HD Blade For STD Discs), Kuhn MOWER, DISC: FC55 (Angled HD Blade For STD Discs), Kuhn MOWER, DISC: GMD33 (Angled HD Blade For STD Discs), Kuhn MOWER, DISC: GMD44 (Angled HD Blade For STD Discs), Kuhn MOWER, DISC: GMD55 (Angled HD Blade For STD Discs), Kuhn MOWER, DISC: GMD66 (Angled HD Blade For STD Discs), Kuhn MOWER, DISC: GMD77 (Angled HD Blade For STD Discs) Associated Items : New Also This is An Aftermarket Product And : Sold in Multiples of 25 Hole Diameter: .640" / 16.25mm Length: 3.740" / 95mm Thickness: .139" / 3.5mm Type: 9 LH Width: 1.772" / 45mm