Item Type: RC Rear Lower Hinge PinMain Material: Steel, Aluminium AlloyProduct Length: Approx.4.9cm / 1.9in 1Easy To Install: Fixed shock absorbers firmly without falling off. Easy to operate, suitable for ARRMA 1/7 1/8. 2Material: The swing arm pins are made of premium steel and aluminum alloy material to achieve long lasting performance. 3DIY RC Car: Exquisite appearance design, perfect for DIY upgrade your RC car and improve the performance of your car. 4Lightweight: RC car swing arm pin is light weight not to increase the burden of RC car, stable structure, stable performance and not easy to deform. 5Exquisite Appearance: RC car suspension arm pin has exquisite appearance and stable performance, making your RC car look more vivid, cool and practical.