This propeller series is characterised by a blade shape designed for maximum performance, an extremely low-noise, glass-fibre reinforced plastic and extremely high stability. The universal bore is made to fit shaft diameters of 3,4,4.5,5,6,8mm with the aid of enclosed reducers and therefore offers a great deal of flexibility in the selection of suitable motor shafts. Max. permissible speed 11,000 rpm.