- Optimized feeding Mechanism,feeding is smoother
- Automatic lubrication mechanism, better durability for complete set
- Three synchronized feeding mechanism,strong ability for thick material,better climbing performance.
- Synchronous belt drive for upper and lower shaft,more stable running
- Longer operation space,wider sewing space
L18: 457X110mm
Hl18: 457X150mm
- Double-needle gauge: 6.4 as the standard one
Optional:3.2/4/4.8/7.9/9.5/12.7/16/19/25.4mm