DMT Black Diamond Whetstone Extra Coarse Sharpening Stone

The Black Diamond Whetstone from DMT Diamond Machining Technology is an extra coarse sharpening stone engineered for fast material removal and efficient edge restoration on dull or damaged blades. Featuring DMT’s precision diamond abrasive surface, this stone quickly reprofiles edges, removes chips, and restores heavily worn knives while maintaining consistent, long lasting performance. Measuring 4 3/8 inches by 7/8 inches, its compact size is specifically designed to fit DMT Aligner Knife Sharpening Kits, making it an ideal replacement or upgrade stone for guided sharpening systems. The aggressive extra coarse grit prepares blades for refinement with finer stones, helping achieve sharper results faster. Durable, efficient, and built for extended service life, this diamond whetstone is a dependable choice for both professional sharpeners and knife enthusiasts who demand precision and speed.