Amazon.com: Clover 2 Pairs DJI Propellers 9450 Self-Tightening Props for DJI Phantom 3 Professional Advance E310 -- Gray : Toys & Games
Amazon.com: DJI Original 9'' CW+CCW Props 9450 Self-tightening Propeller 4 Pcs for Phantom 3 Professional / Advanced / Standard Quadcopter : Toys & Games