High Precise 9450 Propellers for Phantom 3 Advanced Standard SE2 24cm Long

The 9450 propellers provides thrust and better power efficiency than the older one, making the quadcopter achieve significantly higher lift and thus more powerful. Durable and easy to use product. Higher tension, easy to install; The positive propellers are marked with L on the blade and need to be installed on the motor that rotates counterclockwise (the self-locking motor is white headed) The anti-propellers are marked with R on the blade and need to be installed on the clockwise rotating motor (the self-locking motor is black headed)