Feature:1. Safe: The knife sharpening stone set is made of white corundum material, do not have harmful substances and smells, ensuring food safety and delicacy.2. Complete Set: This sharpening whetstone set is equipped with 6 grindstones of different grits. The complete grindstone set can meet all your sharpening needs.3. Effective: This knife grindstone only needs to be used once to make the knife obtain lasting sharpness, which can avoids frequent sharpening and is very labor saving.4. Wide Applicability: This sharpening whetstone set is suitable for home kitchen knife sets, professional chef knives, scissors, chisels and axes or other tools that need sharpening.5. Easy to Use: You can easily set the knife at the correct sharpening angle. And only water is needed for knife grinding, which is very easy to operate and the grindstone is easy to clean.Specification:Item Type: WhetstoneMaterial: White corundumWeight: Approx. 400g/14.1ozSpecification: 180 grit, 400 grit, 800 grit, 1200 grit, 2000 grit, 3000 gritSet: 6 Pieces setLength: 15cm/5.9in.Package List:6 xWhetstone