A double- tension mechanism offers superb sewing stability even at high-speed sewing for high-productivity.

One-touch switching between loose and tight seams. Spring pressure of the cloth retainer can be adjusted easily with a liver. Also, clearance between needle and looper point can be easily lever-adjusted when changing the needle count.

Change quickly from non-skip to skip stitches and back again at the touch of a dial.

Push-button-type sewing pitch adjustment.