Features Perfect Fit for 2mm Shafts - Designed specifically for 2mm diameter motor shafts, ensuring a secure and reliable connection for optimal performance Powerful Wind Generation - The 4-blade design efficiently creates strong wind, enhancing your DIY toy car's speed and maneuverability Durable Plastic Construction - Crafted from high-quality plastic material, these propellers are built to withstand wear and tear for long-lasting use Versatile DIY Toy Car Accessory - Ideal for customizing remote control car models, with multiple color options available to match your unique style Compact and Lightweight Design - At just 40mm, these small propellers are easy to install without adding unnecessary weight to your projects 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