High quality PC plastic,ensures flexibity and wing stability.
Easy to install, no tools required, simply rotate the propellers by hand to attach or detach..
Self-tightening design keeps the propellers securely tight.
Compatible with DJI Phantom 3 Professional/Advanced/4K/Standard, Phantom 2 and Phantom 1 Quadcopters.
Includes two pairs of propellers: 2 clockwise and 2 counter-clockwise propellers.