- Owing to the combination of wheel feed and driven roller presser, no wrinkle in light material and fine stitch in heavy material.
- Maintenance-free ball and needle bearing and link take-up lever.
- Applied full-revolution vertical rotary hook with positive bobbin case opener.
- Equipped with an easy-operating safety clutch which would protect the rotating hook from damage.
- For sewing functional and Emmental seams preferably on concave portions of shoe uppers, leather products, etc.
- The accurate and uniform setting of stitches and infinite stitch length variation.
- Applied with a large hook ensures high sewing efficiency.