DMT SIMPLE Sharpener has an easy pull through and gliding motion to sharpen a variety of knives. Sharpener: 3 5/16 inch x 3 5/8 inch x 4 3/8 inch. Each sharpening surface 2.76 inch x 0.98 inch. Fine diamond (red /600 mesh, 25 micron) for a razor sharp edge. Small counter footprint for easy use and storage. Sharpeners made in USA; other components made in China.Fine diamond for a razor sharp edgeCounter model for kitchen or benchEasy glide motion when pulling through the knife’s edgeSmall counter footprint for easy use and storageDurable construction will provide years of performance and reliable serviceWARNING: use of this product can expose you to chemicals including nickel which is known to the State of California to cause cancer. For more information go to www.p65warnings.ca.gov.