1. Enhanced quenching thimble, replaceable design
2. Screw knob, easy to adjust and lock
3. Push on the surface of the tooth pattern, spray lubricating oil, and push it effortlessly
4. Non-slip handle, clear lines, strong friction
5. High carbon steel refined processing, overall electroplating heat treatment
6. Material: high carbon steel
7. Application: single speed/6/7/8/9/10/11/12 speed bicycle chain
8. Weight: about 158g
