Professional knives with nitrogen steel blade and black TPE handle. Smooth or serrated semi-polished blade finishing. Supra knives are expressly designed for professional. Use: high-quality blades are manufactured with special NITRO-B stainless steel with Nitrogen* and combined with ergonomic handles in SEBS. All materials are sterilizable, highly resistant to impacts, corrosive agents and high temperatures. Ambrogio Sanelli Supra knives are tested and certified by NSF International. The wide product range, together with safe use, functional shapes and exclusive design, make of the essential work tools for chefs, butchers and all other professional users.