Microplane Interchangeable Grater System Fine and coarse grating blades (4-1/4 by 2 inches) snap in and out of frame Fine blade ideal for citrus zest, hard cheese, nuts, ginger, garlic, nutmeg Coarse blade idea for chocolate, semi-hard cheese, coconut, ginger, garlic 18/8 stainless-steel blades with razor-like edges grate extraordinarily well Dishwasher-safe; measures 11 by 2-1/4 inches overall