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Diamond Sharpeners

Diamond Sharpeners
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Diamond Sharpeners

Diamond Sharpeners
Diamond Sharpeners
Diamond Sharpeners
Diamond Sharpeners
Diamond Sharpeners
Diamond Sharpeners
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These folding sharpeners make quick work of the already easy task of sharpening Dancing Man knives and ulus. Just a few passes will get you back to cutting.

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Pictured: Sample Item
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Diamond Sharpeners


Single Grit Folder The single grit keychain sharpeners measure about 6" open, 3" folded, and are large enough for regular use.

Double Grit Folder The two-grit DiaFold sharpeners offer two consecutive grits (one on each side). The two halves of the handle fold around to cover the sharpening surfaces, measuring about 9" open, 4.5" closed.


Green (extra-fine) For those who keep their knives well-maintained, this is the sharpest grit we carry. You can go from the green grit to a leather strop for a mirror-finish.

Red (fine) If you sharpen right when you notice it's dull, this grit will do the trick. Sharp enough to fillet salmon; even sharper when followed with green.

Blue (medium) (DMT considers this grit coarse). You don't sharpen until your knife won't cut anymore. You probably will want to follow up with at least red.

Black (coarse) (DMT considers this grit extra coarse) This grit is for resetting the bevel, or maybe for sharpening cruder tools like axes. If you're using it on a knife, use a light touch, and follow up with other grits.

DMT Use & Care

COPYRIGHT © 2008-2013 DMT

Basics and Tips

A cutting edge is comprised of the intersection of two planes to form an edge. The angle formed by these two planes is the bevel angle. Sharpening is the removal of material from a bevel face to keep a well-defined edge. Sharp tools are essential to everyone and maintaining a sharp edge allows for a safer easier working environment.

Keeping a sharp edge on your tools is quick and simple when using a DMT Diamond sharpener. The diamonds remove material from the edge as it slides across the sharpener. You can use your DMT stone dry or with water; as you sharpen, metal fines will accumulate on the sharpening surface so you should thoroughly wash the surface and dry after using. Be sure you have cleaned your edge, whether knife,blade, pruner, chisel, etc., before sharpening.

DMT surfaces

The interrupted, or polka dot pattern is extremely efficient as the recessed holes collect metal fines to prevent loading.


It will only take a few quick strokes of your edge on the DMT sharpener when you notice your edge starts to dull and you will never be without a keen edge.

If you maintain your edges, a fine diamond stone will be all you need. Extra-extra coarse stones are reserved for extreme stock removal and repair. Otherwise, if an edge is damaged, start with an extra-coarse stone; if an edge is neglected, start with a coarse stone. To finish sharpening, step through the next grit from the starting grit and finish with a fine diamond stone. If you want a more polished edge, after using a fine diamond, complete with an extra-fine stone and if you want a more refined edge, step through to extra-extra fine.

Do not over sharpen. About 30 strokes on a conventional sharpening stone is equivalent to about 5 or 6 strokes on a DMT sharpener. This will save you time and extend the life of your tool.

Match the bevel with the sharpener to maintain your edge. Even more important than matching the bevel however is to keep a constant angle so y ou have a consistent edge.

Break-in Period

Initially, the diamond surface will seem aggressive in nature; the diamond sharpener will smooth after initial sharpening with no impact to long term performance.


  • Sharpening = removal of material.
  • Sharpening keeps tools safer and easier to use.
  • Start with larger (coarser) grit sizes then step down to refine your edge.
  • Match bevel angle (but MORE IMPORTANT keep angle constant).
  • Do not over sharpen.
  • Initial sharpening = break-in period

Cleaning and Maintenance

Cleaning and care of a DMT® stone is simple and necessary for best performance. After using a DMT Diamond Bench Stone or Sharpener simply wet it (if it is not already lubricated with water) and wipe the slurry off with a rag. This slurry is evidenc e that the sharpener has done its job. If the swarf is not wiped off the sharpener after use it may clog up the diamond and not allow it t o sharpen as well as it could were it clean.

Also, once in a while it is a good idea to get a common cleanser and scrub the sharpener with a nylon brush or nylon pad. This will ensure the sharpener is not clogged with slurry and will allow for optimal sharpening. Finally, make sure you store your sharpeners dry after you clean them off.


  • Clean off with rag after use
  • Not cleaning will result in clogging
  • Scrub with cleaner periodically
  • Store dry

Double-Sided Sharpener Video on YouTube


Diamond Machining Technologies

Made in USA

Since 1976, DMT® Diamond Machining Technology has been the leader in, and innovator of, a full range of diamond sharpening products that are dependable and solve a multitude of sharpening, honing or deburring needs. DMT®’s patented and award-winning products are known for their superior quality and versatility, are easy to use and allow for sharpening in a fraction of the time required by other methods. DMT® products are popular with woodworkers, chefs and gardeners, in the kitchen, workshop or tool room, or to take camping, hiking, skiing, hunting and fishing.