This is a whetstone for correcting uneven wear on whetstones. 【High Precision_Mesh Specification】 By increasing the number of grooves, there are more escape routes for the removed abrasive grains, allowing for the creation of a more precise flat surface. Whetstones often wear down only in the frequently used areas after being used several times. If you sharpen your blades on a whetstone in that condition, the blade surface will become distorted. The key to producing a beautiful blade surface is to ensure the whetstone's surface is flat before sharpening!! This correction whetstone is for flattening the surface of whetstones. ⭐︎⭐︎⭐︎⭐︎ ⭐︎⭐︎⭐︎⭐︎ ⭐︎⭐︎⭐︎⭐︎ ⭐︎⭐︎⭐︎⭐︎ ⭐︎⭐︎⭐︎⭐︎ ⭐︎⭐︎⭐︎⭐︎ #papimari_whetstone #papimari_all_products ⭐︎ ⭐︎ ⭐︎♪Thank you for viewing♪⭐︎ ⭐︎ ⭐︎ ⭐︎ 【How to Use】 ① Draw lines on the whetstone with a pen. It's important to draw lines on the edges of the whetstone as well, so you can check how it's being ground down later!! ② Soak in water. ③ With the wavy side down, 【Gently】slide it. Applying too much force will distort the whetstone's shape, so be gentle is the key. ④ When the lines disappear evenly, the surface is flat. Wash away the abrasive grains from the correction whetstone before sharpening your blades. 【Size】 60mm x 180mm