Brand new high quality, A best tool for the kitchen. Great for dicing and chopping onion/vegetable/garlic. Perfect design for mincing the food easily and quickly. Put the onion/vegetable inside the chopping bottom, then press down the palm. Press down the button with your palm of your hand,the more you hit the finer the food are minced. With every slap, the finer the food gets. Stainless steel blade, easy to clean.