Specifications:
Installation pore size:1.9mm,tight with 2mm shaft
Circumference diameter:80mm
Use reference: you can use it to make small fans, air oars, boats and other models that can use propellers
Feature:
The colored three blade propeller with a diameter of 2mm is suitable for motor shaft and straight shaft. Big wind, big thrust, many colors, light weight. Suitable for DIY wind vehicle, wind boat, small electric fan, fire fighting robot fan and so on