This is a A-76N919 Blade, Disc Mower, Flat, Double edge PN: 76N919Main Description As Following : A-76N919 Blade, Disc Mower, Flat, Double edge P.N: 76N919 Sold in Multiples of 25Dim A (1): 90MM (3-17/32")Dim B (2): 40MM (1-9/16")Dim C (3): 3MM (1/8")Dim D (4): 16,25MM (41/64")Type: NO.1 LH/RH Replaces: K56150000Z EDCOR , PMLBL0005 JOHN DEERE , A-274230 NEW HOLLAND , 561.500.00 KUHN , 561-500-00 , A-56150000 KUHN , Crossed From: LBL0005 LEOFRIC , A-274230 , , 561-500-00 , , 561-500-00-5 , , 798-RM1500 , , 798RM1500 , Found in Section & Models : Hay Tool Parts > Disc Mower Blades, Kuhn MOWER, DISC: FC44 (Flat STD Blades For STD Discs), Kuhn MOWER, DISC: FC55 (Flat STD Blades For STD Discs), Kuhn MOWER, DISC: GMD33 (Flat STD Blades For STD Discs), Kuhn MOWER, DISC: GMD44 (Flat STD Blades For STD Discs), Kuhn MOWER, DISC: GMD55 (Flat STD Blades For STD Discs), Kuhn MOWER, DISC: GMD66 (Flat STD Blades For STD Discs), Kuhn MOWER, DISC: GMD77 (Flat STD Blades For STD Discs) Associated Items : New Also This is An Aftermarket Product And : Sold in Multiples of 25 Dim A (1): 90MM (3-17/32") Dim B (2): 40MM (1-9/16") Dim C (3): 3MM (1/8") Dim D (4): 16,25MM (41/64") Type: NO.1 LH/RH