2 pair 6 colors Gemfan 5149 5.1x4.9 FPV PC 3 propeller Blade CW CCW shaft Special for high-speed three-blade crossing machine

2 pair 6 colors Gemfan 5149 5.1x4.9 FPV PC 3 propeller Blade CW CCW shaft Special for high-speed three-blade crossing machine

Aliexpress UK