Parrot Bebop Drone Quadcopter Accessories Replacement Props CW+CCW 3-Leaf Plastic Screw Propellers for Parrot Bebop 3.0 Helicopter- Red x 2 and Black x 2 Compatible with Parrot Bebop Drone Designed to minimize power consumption from the motors whilst providing maximum thrust Two types of propellers are provided: clockwise and counter-clockwise propellers To make mounting easy, a patented system consisting of a coding pin enables you to locate their proper placement Package included: Black Propeller x 2; Red Propeller x 2 (Bebop Drone is NOT included)