Item Type: Caster Blocks C Hub_x000D_Material: Brass_x000D_Color: Black_x000D_Application: Fit for FMS FCX24 1/24 RC Crawler 1Application: Caster blocks C hub is designed for FMS FCX24 1/24 RC car. Please confirm whether your model is applicable before buying. 2High Hardness Brass: The RC crawler C hubs are constructed of high strength brass, rustproof, resistant to wear, durable, stable and reliable. 3High Stability: These caster blocks C hub carrier can improve the performance of your RC car, improve stability and handling ability. 4Precise Fit: This brass caster blocks c hubs is mold opened according to the original RC vehicle size, dedicated to the special RC car model, 5Reliable Quality: Manufactured to meet standard specification, strictly follow factory quality control, direct replacement for the old or broken one.