Lawnmower blade compatible MARAZZINI, MEP, BULLCRAFT, ERMA, EUROSYSTEMS Lawnmower blade for Erma 40, Erma 400, 740 and 840 models Features: Length (mm): 400 Centre hole (mm): 17 Outer hole (mm): 11 x 11.5 Centre/centre distance (mm): 40 Weight:572 g 13271532 Code : Reference code : 531 02 52-17, 10116800, 10125060, 10158013, 5408 MARAZZINI, MEP, BULLCRAFT, ERMA, EUROSYSTEMS