These model aircraft propellers are a must-have for any DIY project or science class. Crafted from sturdy plastic, they offer excellent durability and performance. Suitable for a wide range of model airplanes, these propellers are suitable for education purposes and hobby workshops. They provide a practical way to learn about the mechanics of flight. Features -Color:Red -Material:Plastic -Size:14.50X3.50X2.50cm/5.70X1.38X0.98in -Inner hole: 4x6mm -Durable plastic: constructed from robust plastic, ensuring the propeller's stability and longevity for enhanced flight safety -Precision manufacturing: carefully engineered to ensure balance and optimal flight dynamics, making your model aircraft more and stable -Diy : simple to use, suitable for students' diy projects, fostering practical skills and creativity -Efficient replacement: solves the issue of or lost propellers, allowing your model aircraft to resume normal flight and extend its service life -Multiple uses: ideal for outdoor flying, model exhibitions, and education experiments, catering to different needs and enhancing your model aircraft's functionality Package list: 15 x Model aircraft propeller 5 x tail hooks