Dji Phantom 3 Propeller +Propeller Guards, Iwotou 2 Pairs 9450 Self-tightening Propellers + Set of Propeller Guard for Phantom 3 Series (Fast install and remove 1, White) Design for Phantom 3 seriers ,including Phantom 3 Professional and Advanced. Made of high quality & durable PP, provide both lightness and rigidity. Easy to install and remove (Specific installation method as show in the picture). The Propeller Guards can prevent your propellers hurting people, it can also avoid breaking your propellers by accidently bump into trees, walls, or any other obstacles. Self-tightening wholly plastic balanced propeller keeps the propellers securely to each motor.