This method includes : Metal Screw Shaft M4*2.5*11 - 4pcs Product major function & use:
Relate with front CVD and straight back drive shaft with tires decrease the area and nearer towards wheel, expand the wheelbase by widening the width of hex. Fairly easy to have in contact and play with different colors available, increase the security the vehicle amount of hex: 6mm (1mm thicker than original)