Base plate, chuck cone and centrepiece of this folding spinner are made of aluminum. Only the spinner cover, to be fixed by a hexagon socket, is made of impact-resistant plastic. Both the spinner cover and the base plate are provided with cooling holes. The fixtures of the centrepiece are 8 mm wide and suitable for use with standard folding propellers such as aero-naut, aero-naut classicPROP or CAMcarbon. Matching chuck cones for different motor shaft diameters are also available and allocated to this item as accessories.