2PCS Steering Knuckle Portal Cover Black Color Brass Front and Rear Portal Cover Housing1Excellent Brass Material: This knuckle portal cover is made of excellent brass material, which is rustproof, wear resistant, durable, stable and reliable, not easy to be damaged, and has a long service life. 2Accurate Size: This steering knuckle portal cover is made of accurate size, which can provide a balanced ride, enhance the simulation of the RC car, improve balance and handling. 3Easy Installation And Removal: This rear axle steering knuckle portal cover is easy to install and remove, you can directly replace the original or damaged parts for higher strength. 4Exquisite Appearance: This brass steering knuckle portal cover features a black hard coat to add a bright touch to your car to prevent erosion. 5Multifunctional: This rear inner portal cover housing is multifunctional, it can decorate the car model as well as increase the weight of the front and rear axles for climbing and stability by lowering the center of gravity.