Features Fit for 2mm Shafts - Designed specifically for 2mm diameter motor shafts, ensuring a secure and optimal connection for enhanced performance in your projects Powerful Th Generation - The 40mm four-blade design delivers strong wind and th, making it ideal for various DIY applications, including toy cars and boats Long-lasting Durability - Crafted from high-quality plastic, this propeller is built to withstand regular use, ensuring reliable performance over time without wear and tear 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 accessories 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 Accessories 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