Descriptions: Durable diamonds are electroplated on the steel base. Provide faster and more effective way to sharpen an edge. Titanium coating provides excellent corrosion resistance and improves wear resistance for long service life. Can quickly sharpen and hone hard material, such as stone, jade, high speed steel, carbide etc.. Suitable for grinding seal carving cutter, kitchen shears, garden tools. Super flat surface ensures long-lasting even contact with tools, while oil stone and water stone easily wear down with uneven surface. Simply use it dry or with water or sharpening oil. Either way is perfect for sharpening. Please clean and dry the whetstone after use to prevent getting rust. With a base, it is more convenient to use. Tips: Add water or sharpening oil can prolong diamond sharpening stone life when grinding. Lower grits (grits) for rough work and higher grits ( grits) for fine work.