Scanpan Classic 2 Piece Santoku Set Bathroom Features a double non stick coating Features a double non stick coating Built for cooks who demand both elegance and functionality non abrasive surface such as a timber or plastic cutting board will help prevent premature dulling of the blade Regular use of a SCANPAN Classic Diamond Sharpening Steel will ensure that your knives retain their keen razor sharp edge All SCANPAN Classic knives are dishwasher safe however due to the harsh nature of the machine cleansing process the blade is manufactured to Rockwell test standards to ensure that it's tempered and hardened to perfection with a hardness scale of HRC 56 57 These knives will give you exceptional results every time