【Fits For】:RC Aluminum Hex Hub Adapters & Nuts w/Wrench Upgrades Part for 1/10 E-Maxx/T-Maxx/E-Revo/Revo/Summit. 【High quality material】: Alloy Anodized Wheel Nuts Hubs of 6061 anodized aluminum, precision CNC machined, lightweight and durable, increase crash resistance and long-lasting durability. 【More Durable】:The upgrades part is durable enough,improves the overall performance of the rc car.Specially designed strengthening cut-outs for increased crash resistance. 【Long-lasting Performance】: The rc car upgrades parts highly increase the strength and precision. 【Easy to Install】:great for replace the old or broken part.Increase overall performance and durability of your RC car.