Blade for lawn mower mower compatible HAKO HUSQVARNA NOMA PARTERN MODEL: CombiTurf 112, Combi 112 XP, P524, PR17, PR17 AWD, Rider 422Ts, Rider Pro 15, Rider 15V2 AWD, Rider Pro 18, Rider ProFlex 18, Rider ProFlex 20, Rider ProFlex 21 FEATURES : Length (mm): 420 Centre hole (mm): 12 Outer hole (mm): 8.2 Centre-to-centre distance (mm): 40 Weight: 739 g Code : 13286769 Original part number : 504 18 78-10 504 18 78-01 544 10 27-01 5041878-10 5041878-01 5441027-01 HAKO HUSQVARNA NOMA PARTERN SR m