Zirconium oxide blade (close in hardness to diamond) makes four different widths—.5 mm, 1.3 mm, 2 mm and 3 mm—without having to switch out blades. Stays sharp ten times longer than steel blades and is ideal for almost any veggie from cabbage to cucumbers. ABS plastic hand guard and resin handle keep hands safe. Lightweight and easy to clean. Dishwasher safe. 1" x 11" x 4".