Your knives will never get dull again with our all-new premium quality whetstone kit. It comes with three different grit stones to assure the best sharpening results everytime. The grit 800 is a coarse and rough stone, usually used on very dull knives. The second one, the 3000 grit stone, is a medium one, we recommend using it te refine the edge. The finishing stone, grit 8000, replaces the leather strap and lets a bright and smooth finish on the edge. The kit comes with a manual on how to use it.