The Mercer Culinary M15947 is a premium glass sharpening stone designed for precision and durability. Measuring 7-7/8" x 2-3/4" x 3/4", this sharpening stone features a 3000 grit combination, ideal for honing and refining your blades. Crafted from premium grade corundum, it ensures effective sharpening while maintaining the integrity of your knives. The included silicone base holder provides stability during use, and the glass base keeps the stone flatter for consistent results. Perfect for both professional chefs and home cooks, this sharpening stone enhances the performance and longevity of your cutlery.