The ingenious Joseph Joseph black fold flat grater is a unique design that folds flat for space-saving storage & has 4 styles of blade. The grater has a locking catch that enables it to be opened out into a traditional box grater & folds completely flat when not in use. Blade styles: Coarse for cheese & vegetables; Fine for parmesan, nutmeg, garlic & citrus zest; Ribbon for chocolate & soft cheese; Slicer for cucumber, potatoes & other vegetables.