The Faithfull Diamond Sharpening Stone is a versatile 4-sided whetstone designed for sharpening a wide range of cutting tools and blades. This diamond stone is capable of sharpening steel, HSS and tungsten carbide tools, and can also be used to abrade glass, ceramic tiles and porcelain, making it suitable for both workshop and site applications. The stone features four distinct grit levels, each colour-coded for quick identification: Extra Coarse (blue) 200 grit for initial edge formation, Coarse (yellow) 300 grit for reshaping damaged edges, Medium (green) 400 grit for general sharpening, and Fine (red) 600 grit for finishing and honing. This comprehensive grit range allows tradespeople to progress through the sharpening process efficiently with a single tool. Supplied with a worksafe surface gripping base, the stone remains secure during use for safe and effective sharpening. The diamond abrasive surface can be used dry or with water as a lubricant, offering flexibility based on the