Genuine DJI Phantom 3 E305 9450 Carbon Fiber Reinforced Self-tightening Propellers Props (Composite Hub, Black with Yellow Stripes) For Phantom 3 Professional, Advanced, Phantom 2 series, Flame Wheel series platforms and the E310/E305/E300 tuned propulsion systems DJI Clockwise Propeller - Counterclockwise Propeller - DJI Warranty High quality carbon fiber material for extra durability Aerodynamic for high performance Professional design Easy to install