MTD compatible lawn mower blade, Yard Man, Gutbrod Lawn mower blade Models 48E, 48EM, FF4872 Features: Length (mm): 476 Centre hole (mm): 32 Outer hole (mm): - Centre/centre distance (mm): - 13286771 Part No.: Part No.: 742-0826, 742-0821, 742-04019 MTD, Yard Man, Gutbrod