The GastroMax foldable grater opens into a triangular shape for grating and folds flat for compact storage. One side has a coarse grating surface, perfect for grating cheese or vegetables like carrots and zucchini. The other side has a fine grating surface that works well for zesting citrus or grating hard cheeses like Parmesan. The two sides can be snapped apart and used separately for grating directly over a bowl. Made in Sweden. Dishwasher-safe for easy cleaning.