This is a A-56151200 Blade, Disc Mower, LH PN: 56151200Main Description As Following : A-56151200 Blade, Disc Mower, LH P.N: 56151200 New disc mower blade, left hand. Blade is 1.575" x 3.661", type 9. Fits Kuhn disc mowers.Sold in Multiples of 25Hole Diameter: .640" / 16.25mmLength: 3.661" / 93mmThickness: .118" / 3mmType: 9 LHWidth: 1.575" / 40mm Stocked As: A-76N940 , Crossed From: 561-512-00 , , 561-512-00-5 , Found in Section & Models : Hay Tool Parts > Disc Mower Blades, Kuhn MOWER, DISC: FC44 (Angled STD Blade For STD Discs), Kuhn MOWER, DISC: FC55 (Angled STD Blade For STD Discs), Kuhn MOWER, DISC: GMD33 (Angled STD Blade For STD Discs), Kuhn MOWER, DISC: GMD44 (Angled STD Blade For STD Discs), Kuhn MOWER, DISC: GMD55 (Angled STD Blade For STD Discs), Kuhn MOWER, DISC: GMD66 (Angled STD Blade For STD Discs), Kuhn MOWER, DISC: GMD77 (Angled STD Blade For STD Discs) Associated Items : New Also This is An Aftermarket Product And : New disc mower blade, left hand. Blade is 1.575" x 3.661", type 9. Fits Kuhn disc mowers. Sold in Multiples of 25 Hole Diameter: .640" / 16.25mm Length: 3.661" / 93mm Thickness: .118" / 3mm Type: 9 LH Width: 1.575" / 40mm