The AccuSharp DELUXE Tri-Stone Knife Sharpening System is designed with a coarse diamond-coated steel that simplifies the process of sharpening and honing any straight-edge blade. This deluxe system offers three distinct stone surfaces: coarse diamond medium alumina-oxide and fine ceramic ensuring versatility for different sharpening needs. The Tri-Stone System is built for enhanced durability and safety featuring a rubber-grip base that prevents slipping during use. For added stability the base can be securely mounted to most countertops. An included angle guide helps maintain a consistent sharpening angle making the process more precise and user-friendly.