WORD TAURUS BLUE BIRD mower blades centre hole 16 mm side hole 9,5 mm side hole spacing 47 mm approx. 1. TAURUS BLUE BIRD 46cm blade XSS46-01 2. TAURUS BLUE BIRD blade 51cm 2000002 3. TAURUS BLUE BIRD blade 56cm 2200039 centre hole 16 mm side hole 9.5 mm side hole spacing 48 mm