The Victorinox Swiss Army 4.3391.2 is a versatile sharpening stone designed for precision and durability. This combination stone features both fine and coarse surfaces, allowing for effective sharpening and honing of various blades. Made from high-quality Crystolon material, it ensures long-lasting performance and consistent results. Measuring 8 inches in width, 2 inches in depth, and 1 inch in height, it is compact yet robust, making it an ideal addition to any knife enthusiast's toolkit. Enhance your cutting tools' edge with this reliable sharpening solution.