| Stitch length adjustment | Crank |
|---|---|
| Differential feed ratio adjustment | Lever |
| Lubricaｔion | Fully-automtic |
| Fabric Weight | Light |
|---|---|
| Max. machine speed(sti/min) | 4,200 |
| No. of needles | 4 |
| No. of threads | 6 |
| Needle space(mm) | 5.2, 6.0 |
| Remarks | Double edge trimming, with a special groove on the back of the presser foot |
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