Them includes : 3.5 Thread steel Collar - 1pc 3.5x20 metal Pin - 1pc product major function & use:
Metal #45 thicker upgraded dogbone, diameter making use of this dogbone is from 5.5mm to 7mm, its more sturdy and worth more rally landscape instead of simple enough to fold The diameter linked to pins through two ends the dogbone is 4mm, this dogbone is only appropriate Traxxas Xmaxx 8S