Item Type: RC Front Rear Axle Set_x000D_Weight: 151g/5. 3oz_x000D_Material: Aluminum alloy and brass_x000D_Brass Counterweight Color: gold_x000D_Applicable Model: Upgrade for Traxxas 1/18 TRX4M remote control car 1Lightweight and Durable Construction: The front and rear axle housings of this remote control car are made of 6061 anodized aluminum, accuracy CNC machined for a lightweight yet durable build. 2Brass Axle Covers for Long term Use: The front and rear axle covers are made of brass, known for its wearproof and sturdy properties. This ensures that they can withstand constant use and provide long term performance. 3Improved Stability and Handling: The addition of brass front and rear axle covers adds weight to the car, lowering its center of gravity. This results in improved stability and smoother handling, allowing for better control during high speed maneuvers. 4Easy Installation and Compatibility: These axle covers are designed for easy installation and are compatible with various RC cars. They are perfect for replacing old or damaged parts, enhancing the overall performance and durability of your RC car. 5Attractive Design: The high accuracy and excellent craftsmanship of these axle covers not only provide functional benefits but also enhance the visual appeal of your RC car.