Genuine Woodruff Blade Boss Adaptor key 112139150/0, 12139150/0
This key is fitted to some walk behind mowers that has the 25mm crankshaft fitted. These where mostly for models with the Honda engine fitted. Will not fit ride on tractor mowers.
Fits 25mm Engine Shafts, Key Dia 4.76mm
Fitted to some of the following models with the key size listed above.
Castel Garden, Honda, Alpina, Champion, Stiga, Mountfield, McAllister, May also fit models missed.