The 5-Stone kit includes fine, medium, and coarse alumina-oxide stones, extra coarse diamond-coated stone (with a groove for hook sharpening), and fine ceramic stone for serrated blades. Angle guide has settings at 11°, 15°, 18°, 21°, 25° and 30° to sharpen a wide variety of knives. Grits - Diamond Coarse: 320 | Coarse: 120 | Medium: 180 | Fine: 280 | Ceramic Fine: 1500
