Features:*ener stone tools.*Coarse grinding and fine grinding are combined, 200400600800 coarse grit is to and 100012002000 fine grit is to hone and polish.*It's easy to operate, just place the on the whetstone and move it back and forth several times.*The whetstone is easy to use and doesn't require labor, so it is very suitable for beginners.*Please make full use of the entire for of the whetstone instead of just the middle.Specifications:*Product name: ener stone*Material: Diamond*Colour: As picture shown*Specifications: 200400600800100012002000 grit(optional)Package Included:1pc whetstone Note:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.