MAD COMPONENTS FLUXER CF FOLDING PROP 29.2X9.5IN Solid under high loads High efficiency, longer flight time for drones. Special wingtip design helping to reduce vortices. Low noise at the same thrust level comparing with other CF folding quadcopter propeller. Optimized airfoil design, low interference by airflow. Well dynamic balanced. Propeller Lock Mechanism, designed and proved to ensure safety flight. Best match with MAD motors, getting higher efficiency, faster response for endurance flight.