Features Fit For 2mm Shafts - Designed for 40mm diameter with a 2mm aperture, ensuring compatibility with most standard motor shafts for seamless integration Powerful Th Generation - This 4-blade design creates strong wind and th, enhancing the performance of your DIY toy car or boat for an exhilarating experience Long-lasting Durability - Crafted from high-quality plastic, these propellers are built to withstand prolonged use, ensuring reliable performance for all 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 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