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MATERIAL: made of copper, suitable for gasoline boats and racing speedboats. DIAMETER 70MM: the diameter of the propeller blade is 70mm, suitable for medium size RC boat models. POSITIVE PROPELLER: designed as positive propeller, generating forward thrust when rotating clockwise. THREE-BLADE DESIGN: three-blade structure provides good propulsion efficiency and maneuverability. SUITABLE FOR MULTIPLE BOAT MODELS: Suitable for a wide range of RC boat models, especially gasoline boats and racing speedboats, to enhance sailing performance.
