Service: If you have any questions about this product, please feel free to contact us, we will respond to you within 24 hours! The food sealer is manual, easy to operate, and it will saving your time when something is needed to be sealed tightly. It is labor-saving and efficient. With the lightweight and desktop design, the bag sealer is easy to use, carry, store, and maintain. The U-shape sausage clipper has a large capacity track with a hammer. It is compatible with buckles: Model 502, 503, 506, 508. Model 506 is more common. The sausage linker machine features simple , automatic nail feeding, and excellent sealing performance. It is labor-saving and efficient. The food sealer machine is made of stainless steel and abs, stable , use it with confidence without worrying about quality. And, this clipping clipper machine is widely used in the packaging of plastic bags, sausages, net bags, etc. in supermarkets, bakeries, food processing plants, etc.