| Stitch length adjustment | Dial |
|---|---|
| Differential feed ratio adjustment | ※No differential feed ratio adjustment（single ply feed） |
| Lubricaｔion | Fully-automtic |
| Max. machine speed(sti/min) | 4,000 |
|---|---|
| No. of needles | 4 |
| No. of threads | 7 |
| Needle space(mm) | 4.8×12.7×12.7 |
Seam
-
4-needle, double chainstitch (super tacking, inserting 3 elastic rings on waists)
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