Align HD520D 520 Carbon Fiber Blades / 3

●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 wing
●Length: 520x48x6.5mm
●Width: 12mm
●Shaft Diameter: 4mm 
●Weight: Approx 280g/set