Designed for hobbyists and educators alike, these metal round rod axles are essential for creating custom RC cars and STEM toys. Their allows for smooth rotation and efficient power transfer, making them a key component in any model vehicle. Use them to build, repair, or upgrade your toy cars, ensuring optimal performance and durability. Features -Color:Silver -Material:Iron -Size:4.25X0.20X0.20cm/1.67X0.08X0.08in -Diameter: 2 mm -Suitable fit: Metal Round Rod, high precision machining ensures a seamless connection between axles and wheels, boosting the stability of your toy car models -Practical iron construction: made from sturdy iron, these axles are built to last, reducing the need for frequent replacements and maintenance - use: suitable for a range of stem models and toy cars, these axles make it easy to replace wornout parts and rejuvenate your models -Quick and simple installation: designed for simple installation without the need for special tools, suitable for diy model enthusiasts -Inspires creativity: ideal for children's toys, and model collections, these axles encourage creativity and enhance hands-on skills Package list: 50 car rods