Features: *Ener stone tool. *Coarse grinding and fine grinding are combined, 200/400/600/800 coarse grit size is for and 1000/1200/2000 fine grit size 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 requires no effort, so it is very suitable for beginners. *Use the sharpening stone fully 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 actual color of the item may differ slightly from the pictures shown on the website due to many factors such as brightness and brightness of your monitor. 2. Please allow a slight manual measurement deviation for the data.