This model aircraft propeller kit is suitable for students and hobbyists alike. Designed for DIY science projects and hands-on classes, these propellers are essential components for building and repairing model airplanes. Crafted from durable plastic, they ensure performance and reliability. Ideal for education purposes, they help users understand the mechanics of flight. Features -Color:Red -Material:Plastic -Size:14.50X3.50X2.50cm/5.70X1.38X0.98in -Inner hole: 4x6mm -Durable material: made from robust plastic, ensuring stability and durability for safer and more reliable flights -Precision crafted: precisely manufactured to ensure balance and optimal flight performance, making your model aircraft more and stable -Easy to use: simple and userfriendly, suitable for students' diy science projects, fostering hands-on skills and creativity - : effectively addresses issues of or lost propellers, restoring your model aircraft to normal flight and extending its lifespan -Versatile application: suitable for various scenarios such as outdoor flights, model displays, and scientific experiments, meeting diverse needs and maximizing the utility of your model aircraft Package list: 5 x Model aircraft propeller 5 x tail hooks