Ideal for education and hobbyist use, these model aircraft propellers are designed for DIY projects and science classes. Constructed from durable plastic, they offer reliable performance and longevity. These propellers are suitable for a range of model airplanes, making them a valuable addition to any workshop. They help users gain a deeper understanding of flight mechanics. Features -Color:Red -Material:Plastic -Size:14.50X3.50X2.50cm/5.70X1.38X0.98in -Inner hole: 4x6mm -Reliable material: constructed from robust plastic, ensuring the propeller's stability and durability for safer flights -Accurate craftsmanship: precisely made to make and optimal flight performance, making your model aircraft more and stable -Userfriendly: simple to use, ideal for students' diy projects, fostering practical skills and creativity -Repair way: effectively replaces or lost propellers, restoring your model aircraft to normal flight and extending its lifespan -Versatile use: suitable for outdoor flying, model exhibitions, and scientific experiments, catering to diverse needs and enhancing your model aircraft's capabilities Package list: 20 x Model aircraft propeller 5 x tail hooks