Item Type: RC Knuckle CoverMaterial: BrassProduct Size: Approx. 24 x 17mm / 0.9 x 0.7inApplicable: For FMS 1/24 FCX24 RC Crawler 1Premium Materials: Made of brass material, anti rust, wear resistant, durable, stable and reliable, long service life. 2Excellent Performance: Increase the weight of the axle for climbing and stability by lowering the center of gravity, and improves overall performance. 3Fixing Screws: With fixing screws, it can provide a balanced ride, improve the simulation of the remote control car, and also prevent corrosion. 4Applicable Scene: Easy to install and remove, suitable for FMS 1/24 FCX24 remote control crawler. 5Perfect Replacement: Exquisite appearance and perfect style, can directly replace the original plastic parts, it is a perfect replacement.