JOCKY JKT900D intelligent computer upper and lower differential thick material overlock sewing machine, incorporating new visual, voice navigation, USB upgrade port, through-axis drive, one-button restore, fabric recognition and other unique elements, allowing users to enjoy JKT900D technology and The experience of speed.
| Technical | |
| Stitch length | 3.6 mm |
| Sewing speed | 7000rpm |
| HS code | 845229 |
| Power (W) | 550 |