No kitchen is complete without a 41998 Combination Stone to help you keep your blades sharp. A dull blade makes even the simplest slicing tasks stressful. Not only does it take longer to power through product, but the extra force put into using a dull blade can be a quick avenue to an accident. Keep your blades performing at their best with a quality sharpening stone! This double sided stone has a coarse side for reshaping and reforming your edge and a fine side for honing, strengthening, and finishing.