General description The DMT DMT-W6XP Diamond Whetstone is a 150mm (6in) sharpening stone designed for kitchen use and honing smaller workshop tools. It features a large diamond surface that is ideal for sharpening a variety of knives and edges. The whetstone comes in a plastic case that is equipped with non-skid rubber feet, and the base can be screw mounted to a bench for stability. Technical specifications Dimensions: 150mm (6in) Grit: Extra Coarse 220 Micron size: 60 micron Weight: 220g