Blade for lawnmower mower compatible A: - R15T AWD, R15TS AWD; - Rider: 15T, 15V2, 15V2 AWD, 15V2S AWD, 155, 155 AWD, 155 EU; - Rider: 16, 175, 175 AWD, 18, 18 AWD, Pro 15, Pro 18, Pro 18 AWD. Features: Length: 389 mm Centre hole diameter: 10.2 mm Side hole diameter: 8.5 mm Side hole centre distance: 40 mm Code : 22 -867 Reference code : 504 18 82-01 544 10 30-01 504 18 82-10 Husqvarna [AYP, FLYMO, MARAZZINI, MURRAY, NOMA].