Fallkniven Knives DC4 Diamond Ceramic Whetstone Knife Sharpener
DC4 Diamond Ceramic Whetstone32 x 100 mm  Knife SharpenerDC4 whetstones consist of afine diamond stone (25 micron) anda very special ceramic stone, made of synthetic sapphiresThe advantage of these materials, although they get worn,will still keep their flat shape this is important when yousharpen your knifeAnd, since these materials are the hardest we know of,they will sharpen any steel,even these extremely hard powder steelsYou don't need any lubrication for these stonebut now and then you should consider cleaning themwith warm water and liquid soapThe stones might feel coarse from the start but will becomesmoother/better after some useLeather pouch is includedHow to use your DC whetstone:If your knife is dull, we advise you to start with the diamond stone  After restoring the edge to original shape, de-burr the edge lightly with the ceramic stone in order to get a razor-sharp edge.Use no oil or water.Start by laying the blade flat on the stone, raise the blade spine approx. the thickness of the blade,and start moving the knife in circular motionsThe ink trick:Color the edge with a felt-tip pen  You can check your progress in sharpening the knife by observing where the color is removedHow to check the sharpness:To check the sharpness of your knife, pull theedge very lightly on your finger nail If it cuts, the knife is certainly sharp enough for mosttasks.Break-in-period:Upon delivery, your new DC whetstone will appear very coarse This coarseness will disappear when the tool is put to use