Compatible with multiple sausage sizes: This sausage clipper features a large-capacity track and hammer for smooth use and stable buckle delivery. It adapts flexibly to various sizes, supporting 503, 506, and 508 type buckles (506 most common). Casing diameter: 50-120mm. Seal is tight and won't loosen. High-efficiency food sealing machine: This manual U-shape sausage clipper handles approximately 150 sealing rings, reducing replenishment. A single press forms rings quickly, improving sealing efficiency and meeting mass production needs. Body made of food-grade 304 stainless steel and ABS material for durability and safety. Adjustable sealing thickness: Features stable upper and lower molds with a return spring that resists wear. The stop screw controls clamp tightness for different thicknesses. U-shaped clamp design prevents air or water leakage. Locking screw adjusts tightness for a superior seal. Easy to operate: Simple to use - remove the hammer, place the buckle into the feed trough, then replace the hammer. Automatic nail feeding saves time and effort, making operation highly efficient and convenient. Wide range of uses: This multi-functional sealing machine suits plastic bags, sausages, fruits, vegetables, and food bags. Ideal for supermarkets, bakeries, beverage stores, wineries, condiment factories, food freezing plants, and meat processing plants.