Special for Hubsan H501S H501C H501S Pro RC Quadcopter. It suits for Hubsan H501S H501C H501S Pro RC Quadcopter. Usage: for Hubsan H501S H501C X4 RC Quadcopter. 8x Hubsan H501S Propellers Guards CW / CCW H501A H501C H501M RC Drone Blade.
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