Blade for lawn mower mower COMPATIBLE TO: 30" Rider 450 with grass catcher bag Features : Length: 760 mm Centre hole diameter: 6-point star shape Side hole diameter: 7.9 mm Side hole centre distance: 63.5 mm Code : 22-601 Reference code : 742-0609, 942-0609 MTD (Fleurelle, Floraself, Golf, Genius, Stinnes, White, Yardman, Gutbrod)