Them includes : 3.5 Thread metal Collar - 1pc 3.5x20 metal Pin - 1pc item major function & usage:
Metal #45 thicker upgraded dogbone, diameter using this dogbone is from 5.5mm to 7mm, its more sturdy and worth more rally landscape rather than fairly easy to fold The diameter connected to pins through the two ends the dogbone is 4mm, this dogbone is merely appropriate Traxxas Xmaxx 8S