This system includes :
stainless steel cup-head screw 2.5*8-3PCS
Product major function & use:
fix bearing, axis inside center transmission field, and gear
1. aluminium, with better fixation
2. accurate dimension, place of bearing & bearing compartment properly allow more smooth motion of transmission gear inside
variety of tints, absolve to choose
exquisite 3D cut pattern, search more three-dimensional & metallic