Slings Plastic 4 in 1 Vegetable & Fruit Slicer/Grater with 4 Sides (Colour May Vary, 7. 5inch) Super sharp stainless steel: The sharp blades make it easy to grate hard cheeses like Parmesan or even root vegetables like carrots and potatoes. Dishwasher safe. The stainless steel surface is easy to keep clean, even from sticky soft cheeses.