Lawn mower blade compatible MTD, Yard Man, Gutbrod Lawn mower blade for lawn mowers Lawn mower models Ambition 46 AB , Ambition 460 AHW , Blue Power 46 AHW , Expert 46 B , Select 4600 A , Select 4600 AB Features: Length (mm): 460 Centre hole (mm): star, 4 teeth Outer hole (mm): 7.9 Centre/centre distance (mm): 63.5 Weight: 688 g Code : 13286659 Reference code : 742-04405C , 742-04405A , 742-04405 , 742-04316 MTD , Yard Man , Gutbrod SR m