Features Perfectly Sized for Compatibility - The 40mm 4 Blade Propeller features a 2mm diameter aperture, ensuring a snug fit on your DIY toy car or remote control vehicle motor shaft Powerful Airflow Generation - Designed for strong wind production, this lightweight and compact propeller enhances your vehicle's performance, making it ideal for high-speed applications Durable Plastic Construction - Crafted from high-quality plastic materials, this propeller guarantees long-lasting use and resilience, perfect for various outdoor activities and experiments Versatile for DIY Projects - Perfect for DIY toy car accessories, this propeller adds a splash of color and creativity to your projects, allowing you to customize your model as you desire Space-Saving and Easy Installation - The small size and efficient design of this propeller make installation a breeze, ensuring a hassle-free setup without taking up unnecessary space Features: 1、[2mm Diameter] 40mm four blade propeller with aperture suitable for 2mm diameter motor shaft and straight shaft 2、[Strong Wind] Large wind, large th, many colors, light weight, small volume and easy installation 3、[ Materials] Made of plastic material, and can be used for a long time 4、[DIY Toy Car] Suitable for DIY toy accories remote control car model, a variety of colors can be selected to decorate your car 5、[4 Blades Design] The propellers have 4 blades and are small and compact in sizes, easy to install and do not take up space Specification: Item Type: Propeller Model: XR-145 Material: ABS Purpose: Suitable for DIY Toy Accories Remote Control Car Model Outer Diameter: Approx. 40mm / 1.6in Inner Hole: Approx. 2mm / 0.08in Blade Quantity: 4 Blades Package List: 10 x Propeller Package List 10 x Propeller