Flexwelle Durchm.40x60 mm Graupner 3379.1 Suitable for the MEGA DRAGSTAR III and similar models. 4.0 Ø x 60 mm. With coupling sleeves, Order No. 3382 (4 Ø to 4 Ø) and Order No. 3374 (4 Ø to 5 Ø). Can be connected to 5 mm Ø motor shafts and 4 mm Ø propeller shafts.