Used with water (No oil lubrication required) Whetstones are efficient & cost effective. They require less effort than conventional methods Saving time & reducing the frequency of regrinds, they are ideal for sharpening plane irons, wood chisels, knives, HSS & tungsten carbide tipped router cutters. Coarse = suitable for dressing chipped & damaged cutting tools & for sharpening garden shears & axes. Supplied in a crafted wooden storage box which protects the stone & gua