520 Carbon Fiber Blades / 3 HD520D
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|●Use for 550E Three-Blade Rotor Head.
●The new blades are uniquely special designed for three-blade rotor set with classical color painting and airfoil. Remarkable gravity position create rich agility and stability!
●Even it reduces 10g for each blade weight, it can still keep well blade strength and torsional resistance, also increase flight time for incredible flight experience.
|●Shape: Symmetrical airfoil
●Shaft Diameter: 4mm
●Weight: Approx 280g/set