Ambrogio Sanelli Supra knives are designed for professional chefs and butchers. The blades are made of high-quality NITRO-B stainless steel, where the addition of nitrogen molecules significantly improves corrosion properties and final hardness after coating. The selection also includes a knife sharpener, meat fork, bread knife, etc. The ergonomic handles are made of durable plastic: flexible, but also weather, ozone and UV resistant. Sterilizable, extremely resistant to impacts and corrosion. Not dishwasher safe. The blade is made of high quality AISI420 stainless steel, straight. Handle made of SEBS thermoplastic. Hardness: 56-58 HRC.