2pcs Brass Outer Portal Drive Housing Rustproof Front Rear Inner RC Steering Knuckle Portal Cover Black1LOW GRAVITY: Exquisite appearance and perfect style, increased front and rear axle weight, climbing and stability by lowering the center of gravity. 2HARD COATING: With chamfered edges to add brilliance, black hard coating adds a bright touch to your car to prevent corrosivity. 3HIGH SIMULATION: Manufactured with precise size, it can provide a balanced ride, which enhances the simulation of the RC car and improves balance and maneuverability. 4EASY INSTALLATION: RC knuckle cover is well designed and easy to install and disassemble, you can directly replace the original or damaged parts for higher strength. 5BRASS: RC brass gear cover is made of brass material, rustproof, wear resistant, durable, stable and reliable, not easy to damage, long service life.