This product is a double-sided diamond sharpening stone, mainly made of diamond material, durable, strong and stable, can be durable long time, will be your of polishing tools. It is reasonably designed, easy to carry and store, and can be used in your daily life. It has practical functions and simple usage, making it the for housewives. Features - Color: Mainly black, silver. - Material: Diamond. - Size: 15.00X6.30X0.20cm/5.89X2.48X0.08inch. - Note: 400/600/1000/1200 grit. - It is made of high-grade diamond material, which is strong and excellent, safe and durable. - It has a wide range of applications and is suitable variety of tools, such as kitchen , scissors, etc. - Excellent sharpening performance, , better service for you, useful and reliable. - Double-sided design, professional and useful, convenient for your using, and bring you convenience, with non-slip base. - The meticulously crafted whetstone is efficient and durable, with excellent texture, which will bring you a better experience, unique honeycomb design. Package list: 1 x 400 Grit Diamond Sharpening Stone 1 x 600 Grit Diamond Sharpening Stone 1 x 1000 Grit Diamond Sharpening Stone 1 x 1200 Grit Diamond Sharpening Stone