Blade compatible with lawn mower mowers MTD 11B-508N000 MTD 12A 288C000 MTD 12A-264A659 MTD 12A-264A678 MTD 12A-268R615 MTD 12A-26M1676 MTD 12A-288E678 MTD 12A-529B000 MTD 288 C MTD 508 N MTD 529 B MTD GF56 MTD SP56 G MTD SP56 SD Features : Distance between holes in mm: 63.50 Centre hole: Diamond Width in mm: 53.00 Length in mm: 558.00 Direction of rotation: Clockwise Thickness in mm: 3.00 Ø outer hole in mm: 8.00 Part No. : 122-321 Part No. : MTD 742-0742 742-0742A 742-0742A-0637 942-0742 942-0742A OEM-742-0742 cz