Feature:

• DJI exclusive design for Phantom 3 Professional and Phantom 3 Advanced quadcopter
• Self-tightening design keeps the propellers securely to each motor
• No tools required. Self-tightening design, simply rotate the propellers by hand to attach or detach
• Durable plastic construction provides both lightness and rigidity. Weight (g): 13 (single); Diameter and screw pitch (cm): 24 x 12.7

Package included: 

Clockwise Propeller x 2; 

Counter-clockwise Propeller x 2