Modern nylon and patented Fibrox handle is hygienic, dishwasher safe, slip-resistant and NSF approved. The handle is ergonomically designed to help minimize tension at the wrist and provides a much more comfortable grip than rosewood handles. A fillet knife is like a very flexible boning knife that is used to fillet and prepare fish. The blade that allows them to move easily along the backbone and under the skin of fish. High carbon stainless steel blades are hand finished in Switzerland by skilled craftsmen. These blades do not discolor or stain. These knives are specially ground and tempered so that they can be re-sharpened over and over again, keeping a sharp edge throughout their lifetime. Each Victorinox knife is stamped from a single sheet of metal. The blade is then hardened, tempered, ground down, polished, etched and finished. Swiss Army Victorinox provides professionals in food processing and preparation with superior quality, value-priced cutlery that enhances performance and increases productivity.