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.