1APPLICABLE MODEL: The set contains 20 pcs RC shock damper ball heads and 40 pcs rubber O rings, which are suitable for Axial SCX24 crawler car. 2IMPROVE PERFORMANCE: The ball joint can effectively improve the effect of the vehicle damping link, reduce the wear of the link and compression resistance of the vehicle, and make the RC car more flexible. 3BRASS MADE: The ball head is made of high hardness brass material, which is hard wearing, stable in performance and long in service life. 4PERFECT DESIGN: The ball head has small size, perfect design, higher durability and performance, which makes the remote control vehicle more flexible and stable. 5EASY INSTALLATION: The rod end ball head is light weight, convenient to install and disassemble, could directly replace old or damaged parts to obtain higher strength.