Aluminium center hub 42x8x8mm for 3-blade folding prop, Aeronaut #724232 | Aeronaut center hubs | Center hub for folding props | Props and adapters | All you need for electric flight
Aeronaut Collet Prop Adapter 5mm x 8mm x 35mm (long) 7124/55
Aeronaut Screw Type Adaptor 3mm AN7124/38, Model Shop Leeds
Propeller-Nabe 4,0/8 Spannkonus, Aeronaut #712404 | Prop adapters | Props and adapters | All you need for electric flight