Features:*ener stone tool.*Coarse grinding and fine grinding are combined, 200/400/600/800 coarse grit is for and 1000/1200/2000 fine grit is for fine grinding and polishing.*It is easy to use, just place it on the sharpening stone and move it back and forth several times.*The sharpening stone is easy to use and does not require work, so it is very suitable for beginners.*Please use the entire surface of the sharpening stone instead of just the middle.Specifications:*Product name: ener stone*Material: Diamond*Color: As the picture shows*Specifications: 200/400/600/800/1000/1200/2000 grit (optional)Package includes:1 pc sharpening stone Note:1. The real color of the item may be slightly different from the pictures shown on the website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.