Lawn mower blade Compatible VIKING Models MB 450 , MB 450 M , MB 450 X , MB 455 , MB 455 M , MB 455 MM, MB 455 E , ME 450 , ME 450 M , ME 455 , ME 455 M Features: Length (mm): 425 Centre bore (mm): 18.2 Outer bore (mm): 8.5 / 10.2 Centre to centre distance (mm): 65 / 94 Weight: 836 g Code: 13271308 Reference code: 6340 702 0100 , 6103 702 0102 VIKING SR m