The Mercer Culinary M15950 is a precision sharpening guide designed to enhance your knife maintenance routine. Featuring durable ceramic inserts, this sharpener ensures longevity and consistent performance. Its compact size of 3/4" x 4" makes it easy to handle while providing optimal support for chef's knives measuring 6" and larger. Achieve professional-level sharpness with ease, ensuring your knives are always ready for culinary tasks.