This unique sharpener combines the best features of our GATSTIX� ceramic sharpener and Edgemate� carbide sharpener. Two precision ground tungsten carbide blades pre-set at 35� quickly sharpen the dullest blades in four or five light strokes. The two fine ceramic rods at a pre-set angle put the polished final edge on your blade. - The carbide and ceramic sharpening elements are set in an ABS Polymer frame with slip-resistant feet and slip-resistant gripping pads. - Size: 2.63 x 2.75 (67 mm x 70 mm) - Weight: 1.6 ounces (.04732 kgs) - How to use: - Top: Draw knife completely through the carbides in one steady motion. Repeat 4-5 times. - Right: Polish the edge using the two fine ceramic rods with a slicing sharpening motion.