SLOW FLY PROP propeller 25x12 cmA completely new series of CAD / CAM-designed propellers intended for slow-fly and demonstration models.The propellers of this series are specially matched to the new GRAUPNER COMPACT motors. They are »Made in Germany«, accurately produced, and offer outstandingly good true-running and tracking.Technical DataDiameter 25 cmDiameter / Pitch 25 / 12 cm 10 / 5 inchesStepped hub bore 8 / 6 mm