Details
HCB
SUITABLE FOR AUTOMATIC SEWING FRONT FEEDING AND BACK PULLING
Feature :
1. Simultaneous speed, the neddle is unbreakable, pitch is adjustable.
2. When reverse sewing, puller can pull back at the same time, it
doesn't need to lift puller.
3. Compact size, easy to install, for lockstitch with direct-driving motor.
https://youtu.be/QYzHte81nHc
