The Combination Finishing Sharpening Stone is just the thing to keep knives extremely sharp and like new. With two different grit levels, the stone is able to produce excellent results every time. The Stone has a silicone base guaranteeing it stays in place while in use. The Stone is able to easily remove burrs and other imperfections from blades. The Stone is great for restaurants, cafes and catered events. - 1000/3000 grit - Sold per each