The Rosle Onion and Vegetable Chopper chops up onions, herbs, chocolate and nuts. The automatic rotating blade assembly provides quick and efficient cutting results. The ergonomic press knob ensures convenient and effortless work. 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.