This Ceramic Hybrid Sharpening Stone, by Faithfull, is so quick and easy to use, sharpening any blade or many tools. This Faithfull sharpening stone is double sided with a 300g coarse diamond grit on one side and a 1200g fine finish ceramic grit on the other. It really is ideal for quick and effortless sharpening. The benefit of it being a double sided 60mm x 185mm stone is it allows the coarse grit to clean off the edge of a tool, while the opposite side has a fine ceramic stone finish used to get a sharp finish to either blades and tools. The Faithfull sharpening stone will sharpen carbon steel, HSS and tungsten carbide tools and may also be used to abrade glass, ceramic tiles and porcelain. Use for general purpose sharpening ofknives, scissors, chisels, plane blades, cutting blades, TCT router bits and any tool which requires a sharp edge. The plastic base comes with non slip feet for safety. Stone Size: 60mm x 185mm.