Blade for lawn tractor mower comfort 470 bicombi silver 470 premium 470B powerline 4700 Easymow 4610HP A Diagonal blade length: 463mm B Centre hole: 19.5mm C Distance between mounting holes: 12x20mm D Centre hole spacing: 70mm E Blade thickness: 3.5mm F Blade width: 55mm Al-Ko Code: R303910 Original Code: 332039 474490 AT