RC toy accessory,RC Jet parts ducted fan; SIZE:64MM; Features: High precision! High efficiency! Description:-Outside Diameter: 93.5mm-Rotor Diameter: 87mm (12 blade)-Meterial: Fibre Reinforced Nylon Rotor -Suitable motor 1600KV-1400KV 6S-8S-Shaft adaptor to motor: 5mm-Max RPM 45000 RPM Ducted fan we can offer:55mm, 60mm, 64mm, 70mm, 90mm, 120 mm RC toy accessory /rc parts 90mm ducted fan