Experience superior sharpening with the DMT Double Sided Diamond Whetstone 200mm, designed for ultimate precision. This high-quality whetstone features a combination of extra fine and fine grits, ensuring you can hone all hard materials including carbide and steel. The innovative design prevents breaking, chipping, or cracking, providing a durable sharpening solution. Lightweight and rigid, this whetstone requires only water for lubrication, eliminating the mess of oils. The dual-colored circles clearly indicate the grit levels: black for extra coarse (220 grit, 60 micron), blue for coarse (325 grit, 45 micron), red for fine (600 grit, 25 micron), and green for extra fine (1200 grit, 9 micron). The green side is perfect for quality woodworking tools, while the red side excels with all woodworking tools and carbide tooling, making it the ideal choice for professionals and hobbyists alike.