Check the listing for details. Dia-Fold Extra Coarse. Color: Coarse, Condition: New. Listed at 22.95 USD. Dia-Fold Extra Coarse Product Description sharpening ceramic blade sharpening. While all diamond steels can sharpen ceramic knives, the Hardcoat surface From the Manufacturer Convenient, lightweight and portable 4" x 1" diamond whetstone sharpener. Multi-use on knives, garden and specialty tools, etc. Coarse diamond (45 micron/ 325 mesh) to quickly restore a neglected edge. Convenient size: 9 1/2" open. 5" closed. Folding plastic handles protect sharpener when not in use. Sharpens in a fraction of the time required by conventional stones. No messy oils needed--sharpen dry or with water. Durable construction will provide years of consistent performance and reliable service For proper tool maintenance, woodworkers, chefs and other professionals rely on the superior quality and versatility of DMT products. Made in USA. Features Portable, lightweight with convenient fold & go handles which enclose and protect the diamond whetstone when not in useCoarse diamond to transform a dull edgeSharpens knives faster than conventional stones with DMT's monocrystalline diamond surfaceNo oil is needed-sharpen dry or with waterDurable construction will provide years of consistent performance and reliable service Details {{itemdetails}} {{marketing_message_heading_1}} {{marketing_message_body_1}} {{marketing_message_heading_2}} {{marketing_message_body_2}} {{marketing_message_heading_3}} {{marketing_message_body_3}}