Precision Sharpening – Featuring a 1200-grit (12 micron) diamond surface that provides fine, precise sharpening for a smooth, razor-sharp edge, ideal for finishing and honing knives and tools. High-Quality Monocrystalline Diamond – Built with premium monocrystalline diamond, this sharpener ensures long-lasting durability, offering reliable performance for repeated use and effective sharpening. Compact & Portable – Its lightweight, compact design makes this sharpener easy to carry in your pocket, bag, or toolbox, perfect for sharpening on the go, whether at home or outdoors. Ideal for Various Blades – Suitable for a wide range of tools, including kitchen knives, pocket knives, scissors, and more, making it a versatile addition to your sharpening tools. Dry Sharpening, No Water or Oil Required – Designed for dry sharpening, this tool eliminates the need for water or oil, ensuring convenient, mess-free sharpening whenever you need it. SHARPAL 115N Credit Card Size Diamond Sharpening Stone-Extra Fine 1200 Grit measures L 3 1/4-inch x W 2 1/8-inch x D .14-inch. Fits easily in pocket or wallet. Comes in convenient storage pouch. Industrial monocrystalline diamond Extra Fine 1200 grit (9 micron) is electroplated in nickel onto a steel base for longevity. It quickly hones and refines knives, small edged and pointed tools including carbide, high speed steel, titanium, ceramics and most any super hard material including the newer materials being used by most knife manufacturers. Sharpen dry. No messy oil needed. Patent pending ring grip holding protects hands from hurting when sharpen.