1. The upper differential feed is driven by an independent stepping motor. The upper differential feed amount can be adjusted to prevent misalignment anddeliver smoother sewing results.

2. Front-mounted differential connected with mechanical linkage (patented product).

3. The electronic upper differential supports up to 15 adjustable segments.

4. Differential feed amount and stitch length can be manually switched simultaneously.

5. Electronic back-tacking, electronic stitch length, and built-in presser foot lifter.

6. Optional needle positions: 1/8", 5/32", 3/16", 1/4", 5/16".

Suitable for sewing & trimming shirts, inner-outer collars, softshell, light-weight& stretch fabrics, down-cotton padded garments (fabric throw-off), andhome-textile wool fabrics.