Lawn Mower Blade Compatible MTD, Yard Man, Gutbrod Lawn Mower Blade for Lawn Mowers Lawn Mower Models YM5519 PO , YM5519 SPO , YM5519 SPBHW , YM6019 SPK, YM6019 SPBE , YM7019 SPB , YM7019 SPBE Features: Length (mm): 478 Centre hole (mm): star, 4-point Outer hole (mm): 8 Centre-to-centre distance (mm): 63.5 Weight: 645 g Code : 13271381 Reference code : 742-0739 MTD, Yard Man, Gutbrod SR m