Powerextra 2 Pairs Replacement 9450 Self-Tightening 2CW/2CCW Propellers for DJI Phantom 2, Phantom 3 SE, Professional, Advanced, Standard, 4K (White) These composite propellers are compatible with Phantom 3 professional, advance, standard and 4K. Not the genuine dji propellers. Made of highly durable plastic, the lightweight and strong composite hubs have great stability and rigidity. Easy to install and uninstall: simply rotate the propellers by hand. The self-tightening propellers will be fixed in the rotor firmly and stably. Package includes: 2 x Clockwise Propeller; 2 x Counter-clockwise Propeller. Warranty Policy: 12 Months Limited Product Warranty, 24*7d Customer Service and Technical Support.