The cutting wheel of the Rosle Can Opener runs smoothly and safely along a can rim without contact food inside. Cutting along the side permits easy lifting of the top for re-use as a lid. The opener separates cans at the glue point, leaving no sharp edges. Since 1888, Rosle has been using German engineering to produce the finest quality professional cooking tools and kitchen utensils for the professional chef and home cook. Designed for optimum performance, comfort and appearance, Rosle offers a complete integrated system of kitchenware. Made with the highest-quality 18/10 stainless steel. Lifetime warranty.