Microplane blade micro grater grater is the original file. Finer coarseness has a good grating hard cheese, citrus peel, chocolate, spices and other hard substrates.
Grating in the 2000s does not require any further powers, with endless time and bloody knuckles. Thanks to the new micro-blades rigid and soft materials grating is easy, fast and safe. The idea is a laser-sharpened blades, each of which has its own razor-sharp, not only brought up a piece of sheet metal.