【Packing List】：You will get 1 piece of Double sided diamond grinding stone (300/1000) 【Product Size】: Length 7.99inch, Width 2.71inch , and 0.31inches in height. 【High Quality Material】 Made of high quality diamond abrasive, wear-resistant, not easy to deform and rust, and faster than traditional sharpening stone. Due to the high hardness of the material and low loss during use, our sharpening stone plates can be used for a long time 【Use for most cutting tools and cutter knife edges】:Widely used for grinding of household knives, professional chef knives, outdoor knives, engraving knives and other knives 【After-sale service】: If there is any use of the problem, you can feel free to contact us, we will give you a reply as soon as possible to deal with your problem! Double Sided Diamond Sharpening Stone Plates, Diamond Sharpening Stones for Kitchen Knives, Outdoor Knives and Other Cutting Tools - 7.99 x 2.71 Coarse/Medium/Ultra Fine