Blade for lawnmower mower Compatible with model: 55 cm lawnmower and MTD-Rotaro CHARACTERISTICS: Length: 550 mm Central hole diameter: 16 mm Side hole diameter: 10 mm Side hole centre distance: 70 mm Code: 30-064 Original code reference: 423.40.803, 423.40.803.0A HAR RY ( MTD-ROTARO)