400 and 100 grit: Double-Sided Whetstone has 400 and 100 grit. 400 grit rough grinding is suitable for repairing large gaps, deburring. Fine grinding of 1000 grit obtains smooth and sharp edges Long service life: Kitchen Tool Whetstone is diamond made, so it is strong and has a long service life Easy to clean: Universal Base Diamond Stone can be cleaned by dishwashing liquid and scrubbing pads after using Suitable for: Diamond Stone Sharpener is suitable for the tableware at home, especially the kitchen, such as grinding chisels, scissors, ice skates, glass brick chamfering, etc Double-side: Diamond Sharpening Stone can be used on both sides, which is very convenient, Weight: 3.24299987402 pounds, Manufacturer: Lcarege_F09_5022346