These propeller are crafted to deliver optimal performance for model aircraft, offering a balance of durability and efficiency. Ideal for educational kits and hobbyist applications, they help users explore the principles of flight and aerodynamics. Their sleek design ensures , making them a valuable addition to any model plane collection. Features -Color:Blue -Material:ABS -Size:18.00X3.50X2.50cm/7.07X1.38X0.98in -Stable rubber band power: the rubber improves flight stability and extends gliding time, delivering a reliable flying experience for model airplanes -Aerodynamic glider parts: compatible for thunderbird gliders, these accessories optimize airflow, enabling smoother and longer flights -Powerful helicopter propellers: designed compatible with tiger helicopters, the propellers enhance thrust and ensure reliable performance in complex flying scenarios -Highefficiency fan design: the innovative fan reduce air resistance, boosting flight efficiency and making them suitable for outdoor competitions -Universal model compatibility: these accessories fit various model airplanes, allowing quick replacements and meeting diverse performance needs Package list: 20 x Model Airplane Propellers