Features: brand new and high quality High quality material,made of brass alloy,more for stronger and durable,ensuring long-term use without worrying about damage. Easy to install,not complicated installation steps,accurate size,convenient install,shock-proof and high crush-resistant. Great performance,increase the weight of the axle, reduce the center of gravity of the vehicle and increase the stability,improve the performance of your crawler car. Upgrade appearance, increase balance,perfect performance in ensuring the best balance. Suitable for:RC Crawler Car 1/10 YK4102 YK4103 1/8 YK4082. Specifications: Material: Brass Color:As Picture Shown Packing Size: Approx. 8x6x3 for cm/3.14x2.36x1.18 inch Package Includes: 1 Pair Brass Diff Cover note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.