DMT Aligner Replacement Stones Professional Machine Great for pocket knives or

Great for pocket knives or any small tools

If your steel is no longer having any effect on your knives

The Coticule Multiform Stones are of uniform thickness rather than having a tapering thickness likes their cousin the Belgian Blue Multiform Stone

Ookami Gold Shears Sharpening Instructional video gives you all the details

DMT Aligner Replacement Stones Professional Machine Great for pocket knives orThese DMT stones are available in Extra Extra Coarse, Extra Coarse, Coarse, Fine, Extra Fine and Extra Extra Fine. Each stone measures 4 3 8 x 7 8 inches. These stones were designed to be replacement stones for the DMT Aligner Systems but can also be used without the systems.