This Super Fine Whetstone 2000Grit T0852W is the least aggressive sharpening stone. It is made of white corundum which only removes some amount of knife burring and produces a razor sharp edge. The broad surface with the porous structure of the sharpening stone continuously release small particals during the sharpening process. It is indestructible to edges and specially perfect for kitchen knives, woodworking tools or garden tools. As knife sharpeners both suit to use water and non-petroleum oil when sharpening.Also it comes with suitable silica gel base.