The Kyocera Coffee Grinder features a ceramic grinding mechanism that will never alter the flavor of the grinds, resulting in fresh, flavorful, and pure coffee every time. The grinding mechanism is made from an advanced ceramic close in hardness to diamond that will never rust providing ultra long-life performance. The grind adjustment allows for fine to coarse grinds and the non-slip base ensures stability and ease of grinding. The glass container is reusable and dishwasher safe. This grinder is great for Turkish coffee, salt, pepper, green tea and sesame seeds too.