4pair Gemfan75mm 1.0mm Aperture Two-Blade Propeller 3-Inch Helicopter Propeller, 2-Blade Propeller, Forward and Reverse Rotation

4pair Gemfan75mm 1.0mm Aperture Two-Blade Propeller 3-Inch Helicopter Propeller, 2-Blade Propeller, Forward and Reverse Rotation

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