Traxxas' 17mm Hex Adapters make it easy to install a wide range of wheel and tire combinations on your Traxxas vehicle. Installation is simple using the included 5mm hex wrnech. The adapters' unique splined design offers maximum strength when used with Traxxas wheels, and also fits any standard 17mm hex wheel. Rugged machined-aluminum construction and vivid blue anodizing combine custom looks with maximum performance. The adapters are offered in complete sets to fully outfit one vehicle.