DMT Diamond Flat File

The DMT Diamond Flat File works well for sharpening tools. One popular application of this file is to sharpen carbide tools that can't be sharpened with anything but a diamond abrasive. The Diamond Flat File uses 100% monocrystalline diamond particles for fast and efficient sharpening. The length of the abrasive portion of the file is 4 1/2 inches with a total length of 9 1/2 inches. When folded it is just 5 inches. The extra coarse abrasive diamond particles are 60 microns which is equivalent of a 220 grit. The coarse abrasive diamond particles are 45 microns which is equivalent of a 325 grit. The fine grit uses 25 micron diamond particles for a 600 grit. Made in the USA.