COMPATIBLE HUSQVARNA ELECTROLUX PARTER mower blade Features : Length (mm): 300 Centre hole (mm): 10 Outer hole (mm): 8 Centre/centre distance (mm): 61 Weight: 452 g For models: Rear 85, Rider 11, Rider 13, Rider 850 Part No.: 13270237 Original part No.: 506 66 87-01 , 506668701 , 506 668701 , 506 67 65-01 , 506676501 , 506 676501 , 506 66 18-01 , 506661801 HUSQVARNA ELECTROLUX PARTER SR m