Diamond Sharpening Stones

From $22.95

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DMT® folding knife blade sharpeners are easy to use, compact sharpeners for the toolbox, tackle box, home or on–the-go. Folding models are available in a wide range of diamond grits and solve an assortment of sharpening, abrading and honing challenges. All of the folding knife sharpeners are light weight and portable with folding engineered resin handles to protect the diamond surface when not in use.  DMT® Folding sharpeners can handle any edge, straight, curved or serrated.
Made in USA.

These two sided sharpening stones are for your convenience.  One of DMT’s signature products now outfitted with the proprietary Hardcoat™ surface for extra durability when used to sharpen ceramic blades.  While all DMT diamond sharpeners can sharpen hard steels and ceramics, the HC™ surface provides for extra long life when used for ceramic blade sharpening.   The two different grits combined to create a lightweight sharpener that is great for home, camper, tool box, gardening shed and more.  Includes a continuous surface that can be used for small or pointed edges.  The stone measures 4-1/4″ x 7/8″, fully extended with handle it measures 9.5″.


Diafold_Chart (2)

The stone grits are color coded for easy identification

Extra Coarse – BLACK
Coarse – BLUE
Fine – RED
Extra Fine – GREEN
Extra Extra Fine – PEACH


How to Maintaining Your
Diamond Sharpening Stones






Available Diafold (2 sided) combinations:

Extra Coarse / Coarse  $39.95

DMT Diafolds_All

This grit combination is used to take nicks out of your knife or ax edge.  It is used  as the first step in re-establishing an edge angle or sharpening an extremely dull  knife.

Coarse / Fine  $39.95
This combination is the most popular for hunters.  It provides you with a coarse stone to quickly re-establish an edge while the Fine side can sharpen an edge well enough to shave hair off a forearm.

Fine / Extra Fine  $39.95
This grit combination  is used to bring the edge to a sharp or extremely sharp edge.

Extra Fine / Extra Extra Fine  $39.95
This Grit combination is for the person who wants an actual mirror finish on their edge.  The Extra Extra Fine grit will actually get light to glint off the edge of your knife.
  While this degree of perfection is not necessary,it sure  is nice to see or to have someone comment on your edge  when they look at your knife.

 SPECIAL!  Set of all 2 (Extra Coarse/Coarse  and  Fine/Extra Fine)  – $ 69.95




Single Sided Sharpener

This compact diamond sharpening stone allows you to tackle a variety of sharpening jobs like knives, garden tools, and more. Available in four different grits: extra-coarse, coarse, fine, and extra-fine. The folding design makes this sharpener easy to keep close at hand in your tool box, backpack, or pocket. Made in the USA.DMTSingle_Black
Specifications of Single Sided Sharpener
Stone size: 4.33″ x .875″ x .20″ (110 mm x 22 mm x 5 mm)
Size: 9 1/2″ open. 5″ closed. (241 mm open. 127 mm closed

Available Single Sided Sharpening Stones

Extra Coarse*BLACK (220 grit / 60 mesh)   $22.95

Coarse – BLUE (325 grit / 45 mesh)  $22.95

Fine – RED (600 grit / 25 mesh)  $22.95

Extra Fine – GREEN (1200 grit / 9 microns)  $22.95

*The BLACK (Extra Coarse) is the only stone typically used for sharpening Ax blades.  Simply lay the stone along the ax head and follow the angle already on the ax head edge.





Serrated Sharpening

This serrated knife sharpener makes sharpening serrated blades easy!


No longer an arduous chore, sharpening serrated knives is easier than you may think – especially with the DMT® Diafold® Serrated Knife Sharpener. DMT’s Diafold® serrated knife sharpener enables you to sharpen even the hardest stainless steel serrated knives quickly and easily while extending the life of your cutlery by removing only a minimal amount of material from the blade. Our serrated blade sharpeners have been the trusted choice for decades and provide consistent sharpening every time. Great for use in the home, kitchen, shop, restaurant and for other recreational activities!

Just as with all DMT brand products, DMT’s serrated blade sharpener products are innovative, precisely engineered, and manufactured in the USA. We utilize only the highest quality materials and craftsmanship, all supported by the DMT Commitment.


Specifications of Serrated Sharpener
Serrated Stone: 1/4″ to 1/16″ taper x 4.43″ (6 mm to 2 mm taper x 113 mm)
Size: 9 1/2″ open. 5″ closed. (241 mm open. 127 mm closed)

Available Serrated Blade Sharpening Stones

Coarse – BLUE (325 grit / 45 mesh)  $24.95

Fine – RED (600 grit / 25 mesh)  $24.95

Extra Fine – GREEN (1200 grit / 9 microns)  $24.95

SPECIAL! Set of all 3 – $59.95




Chain Saw Sharpener
DMT Charin_Saw_Blue

Multi-use Diafold® Diamond Chain Saw files for quick and easy chainsaw maintenance as well as the right honing steel for sharpening any curved edge. Convenient folding plastic handles protect the diamond surface while not in use. Coarse diamond grit (45 micron/ 325 mesh) quickly restores a neglected edge. Choose from the following sizes: 5/32″, 6/32″, and 7/32″. File measures 9 ½” long when open and 4” when closed.

Sharpening with diamonds is fast and easy. 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.
•Portable, lightweight and convenient
•Fold & go handles enclose and protect the diamond chain saw file when not in use
•Coarse diamond to transform a dull edge
•DMT®’s monocrystalline diamond surface sharpens knives faster than conventional stones
•No oil is needed, simply sharpen dry or with water
•Durable construction will provide years of consistent performance and reliable service

Available Sizes
5/32″ (5mm) – Coarse (BLUE)  $24.95

6/32″ (6mm) – Coarse (BLUE)  $24.95

7/32″ (7mm) – Coarse (BLUE)  $24.95