This is a mechanical and not manual unit so it is food grade plastic is used.The blades are made steel, the handles are sturdy and the plastic material used is thicker than any other normal products for longevity.Ergonomically designed product to provide tight grip and less pressure on arms while using it. This product makes it easy to make French fries for your family. You no longer have to chop each piece of potato, all you have to do is place the potato behind the blade and push the handle
