Sharp. Straight. Simple. Smart. ThatÕs S4ª Technology from Progressive International. The Grip and Grate is part of our S4ª grater series, which includes kitchen gadgets that Progressive designed to fit your kitchen, lifestyle and needs. The Grip and Grate is perfect for quickly grating Parmesan with less strain on your hands. Sharp etched grating surface for quick and easy grating. Unique grater blades cause food to move straight across the grater for more efficient grating. Open the side door to insert food, close, grip and turn the handle to grate. Flexible pusher keeps the food next to the grater with minimal effort and leaves less chocolate or cheese waste. Fits easily in your hand and is designed to work for both right and left-handed users. Perfect for hard cheese, chocolate, ginger and soft nuts like walnuts and pecans. Dishwasher safe.