The Mido Knife Sharpening Stone is a high-quality whetstone specifically designed for sharpening knives. Made of durable stone material, this sharpening stone features a non-slip base for stability during use. With a 400/1000 grit combination, this green sharpening stone is ideal for honing and maintaining the sharpness of your knives. The oil making method ensures a smooth and efficient sharpening process, making it a valuable addition to any kitchen.