This machine adopts one straight needle, vertical-axis rotating hook with self-lubricating feature for catching thread loops and sliding bar take-up to produce tow lines of double lockstitch.
The needle bar can be engaged and disengaged mechanically and the arm shaft and hook shaft ar supported by ball bearings.
| Technical | |
| Suitable material | medium heavey material |
| Needle | DPX5 11#-14# |
| Stitch length | 5mm |
| Thread quantity | 2 |
| Height of presser foot | 7-13mm |
| Sewing speed | 2000rpm |
| HS code | 845229 |
