New, Unused Diamond Whetstone Plate (Set of 2) ・400# (Coarse Grit): Used for repairing chipped blades ・1000# (Medium Grit): Used when the blade's sharpness deteriorates Can be used for sharpening blades from household knives to cemented carbide. A sharpener that can also sharpen hard ceramic blades. The back is covered with a non-slip sponge, making it less likely to slip during sharpening. [Examples of Use] Household knives, chisels, planes, cemented carbide chisels, drill bits, professional knives, scissors, Japanese swords and kitchen knives, sickles, hoes, Opinel knives, trimmer bits, and tools such as ceramic whetstones. Suitable for use by chefs, hairdressers, carpenters, carpenters, swordsmiths, and farmers. The ultra-thin plate type, approximately 3mm thick, is also easy to use for hobby-related items such as mini 4WD carbon polishing, FRP polishing, flex processing, and matte finishing of plastic models. [Important Notes] As this is an imported product, there may be scratches or stains. We will inspect the product, but if there are any defects, please contact us before leaving a review. Please purchase after understanding the above. 22