These items includes : 3.5 Thread metal Collar - 1pc 3.0*20 steel Pin - 1pc item major function & usage:
Metal #45 thicker upgraded dogbone, diameter according to the dogbone is from 5.5mm to 7mm, it's more sturdy and appropriate more rally landscape as opposed to fairly simple to fold
The diameter towards pins through two ends regarding dogbone is 3.5mm, this dogbone is merely perfect for Traxxas Xmaxx 6S