Lawn mower blade compatible HUSQVARNA PARTNER AYP NOMA FLYMO MURRAY MARAZZINI 532 13 89-71 138971 Features: Length: 532 mm Centre hole diameter: star-shaped 5 points Side hole diameter: 9.5 mm Side hole centre distance: 220 mm Code: 22-820 Reference code: 532 13 84-98, 532 13 89-71 Husqva rna and Partners [AYP, FLYMO, MARAZZINI, MURRAY, NOMA].