A butcher/breaking knife is an utilitarian knife. A breaking knife is used to break down large quarters into smaller fillets and pieces! Excellent for filleting Mahi-Mahi, Wahoo, Tuna, and various other fish species. The number one choice of offshore fishermen. High carbon, stainless steel blades are hand finished in Switzerland by skilled craftsmen. Special tempering process is used to resharpen over and over again. Each Victorinox knife is stamped from a single sheet of metal. Patented Fibrox handles are hygienic, dishwasher safe and slip-resistant. All Victorinox cutlery products are backed by a lifetime guarantee from Victorinox.