Helicopter Hanger, Button, and 4 Hubs for 0.020" shaft and 0.5 - 0.8mm rods

Our helicopter rotor hubs are 1" long and can be used with a veriety of Rotor building jigs.
Orange hubs are for 0.5 - 0.8mm carbon rods and 0.020" prop shafts.
Dark Blue hubs are for 1.0 - 1.2mm carbon rods and 0.020" prop shafts.

The slots in the sides of each hub are to facilitate gluing carbon rods into the hubs with thin CA glue.