Features 1、Exquisite craftsmanship fires precise mesh whetstones, does not damage the blade, fast irons, and less wear 2、The whetstone uses water to sharpen the knife, so there is no need for expensive sharpening and grinding oil 3、Will not be messy when sharpening the knife, easy to clean, easy to clean with water 4、Can grind any tools, such as kitchen knives, hunting knives, pocket knives, scissors, etc. It is a good helper for home kitchen 5、Professional‑grade sharpener made of high‑quality white corundum, not easy to damage, can be used for a long time Specification Item Type: Sharpening Stone Material: White Gongyu Application: Industrial Tools Are Polished Roughness: 240 Grit; 400 Grit Package List 1 x Sharpening Stone