Check the listing for details. DMT FWX Single Sided Diafold Sharpener Extra Coarse (220 Mesh) Folding Knife Sha. Condition: New. Listed at 29.95 USD. DMT Sharpeners FWX Single Sided Diafold Extra Coarse (220 Mesh) The sharpener itself is approx. 4 1/4" long by 7/8" wide Convenient, lightweight and portable, the Single Sided Diafold Sharpener affords exceptional versatility. Capable of sharpening knives, garden and specialty tools, and more, the Single Sided Diafold Sharpener is an essential tool to have both in the workshop and in the field. This particular model features extra-Coarse diamond (60 micron / 220 mesh) for when significant removal of material is needed to repair a damaged edge. Consistent across all Single Sided Diafold Sharpeners, however, is their convenient size of 9 1/2" when open and 5" when closed. The folding plastic handles also protect sharpener when not in use. With the addition of a robust, micronized monocrystalline diamond surface, the Single Sided Diafold Sharpener can sharpen any edge in a fraction of the time required by conventional stones. No messy oils are needed either, allowing you to sharpen dry or with water. Complete with a durable construction that will provide years of consistent performance and reliable service, woodworkers, chefs and other professionals rely on the superior quality and versatility of DMT® products for proper tool maintenance. Made in USA. Portable, lightweight with convenient fold & go handles which enclose and protect the diamond whetstone when not in use Extra-Coarse diamond to repair damaged edges Sharpens knives faster than conventional stones with DMT's micronized monocrystalline diamond surface No oil needed, sharpen dry or with water