1. It adopts extra large hook with diameter 37mm, it can sewing 8*1 and 8*2 webbing thread.
2. It equipped with auto back tacking pneumatic presser foot lifting, integrated LED light, free handle bobbin winder and self-locked stitch length dial, which make the normal sewing more comfortable. It is equipped with standard 14mm of needle gauge set, balance and compensate inner foot front halving device.
3. Adjusting alternating amount of presser foot instaneously can be operated by the machine head shortcut button and knee control button. It s simple and high efficiency. It can be set two different tension for clamp device and change quickly.
4. The parts compound feed construstion can make sure feed smoothly while sewing heavy duty materials and difficult to move for upper and lower material.
5. Optional gauge set: 10mm, 12mm, 16mm
6. With the functions of pneumatic adjusting , thread tension changing quickly, .
7. Application: Three dimension material topstitch process for sofa and outdoor goods.