Lawn mower blade compatible STIGA Models Collector 45 , Collector 46 , Combi 45 , Euro 45 , Silent 45 Features: Length (mm): 435 Centre hole (mm): 9.8 Outer hole (mm): 10.5 Centre/centre distance (mm): 52 Weight: 621 g Code: 13271099 Reference code: 181004121/0 , 81004121/0 , 1111-9116-01 , 1111-9110-01 STIGA SR m