High quality: Made of high-quality materials, the product is . Scope of application: applicable for RC Model Crawler Car Drifting Truck Short-Course . Fine workmanship: fine workmanship, looks very beautiful. Easy to use,Easy to replace. 100% new and high quality. The larger the number, the thicker the oil. The thicker the oil, the more damping your shocks have when riding over bumps. Applicable to: (The models listed below are just examples. You can choose a thickness number that is more suitable based on the actual terrain and the modified style.) 600 Suitable for Off Road Car and Short Course Truck Note:The materials used for each are different, and even if the numbers are the same, it does not mean that the actual thickness is the same. Specification:600CST Color:As Shown Material:Composite material Package Contents: 1 * rc upgrade parts kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.