Crafted for model airplane enthusiasts, these propellers are essential for building and maintaining your aircraft models. The fold-resistant design ensures they withstand rigorous use, making them suitable for both beginners and experienced hobbyists. These accessories are practical for enhancing your model airplane's performance and reliability during flight.Features-Color:Black-Material:Plastic-Size:14.50X3.50X2.50cm/5.70X1.38X0.98in-Enhanced flight dynamics: these foldresistant propellers are engineered to optimize aerodynamics, delivering improved maneuverability and for model airplanes-Easy assembly for beginners: the diy design ensures simple and simple assembly, making it a choice for students and hobbyists of all skill levels-Durable construction: made with sturdy materials, these propellers resist wear and tear, ensuring longterm performance for repeated use in educational or recreational projects-Practical for : tailored for stem activities, this kit helps students explore engineering concepts while developing problemsolving and teamwork skills-Wide application range: compatible with a variety of model airplane types, this set is ideal for creating custom designs or upgrading existing list: 10 x (hole diameter 6x4mm)10 x