Butter knife Functional Form. Made of high quality stainless steel with hardness HRC 53 and resistant to rust. Ergonomic handle with Softgrip coating guarantees firm. The product is dishwasher safe. Scandinavian brand Fiskars is currently the most popular brand in the market. Functional Form collection is very popular when it comes to kitchen accessories. This new line was made especially to make the job in the kitchen as easy as possible.