Left-handed propeller!This propeller series features a blade style designed for maximum performance, an extremely low-noise, fiberglass-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 help of enclosed reducers and therefore offers a lot of flexibility in the selection of suitable motor shafts. Max. permissible speed 16,500 rpm.