1. Specs Construction: stainless steel 2.2. Gusset device 2.3. Air expeller 2.4. Hole punch device 2.5. Special sealing jaws 2.6. Film tracking device 2.7. Tear notch device 2.8. Material stopper 2.9. Bag support 2.10. Pe sealing system 2.11. Static charge eliminator 3. Bag style Pillow bag, gusset bag, hole punch bag, chain bags 4. Main technical data Model number: single servo ys-v620-1 Double servo ys-v620-2