Diamond Whetstone Plate (Set of 2) Can be used for sharpening blades from household knives to cemented carbide. This sharpener can also sharpen hard ceramic blades. The back is covered with non-slip sponge, so it won't slip when sharpening. [Set Contents] ・400# (Coarse Grinding Surface) 1 piece: Used when the blade is chipped ・1000# (Medium Finishing Surface) 1 piece: Used when the blade's sharpness deteriorates [Examples of Use] Household knives, chisels, planes, cemented carbide chisels, drill bits, professional knives, scissors, Japanese swords and knives, sickles, hoes, Opinel knives, trimmer bits, ceramic whetstones, and other tools. Also available for use by chefs, hairdressers, carpenters, carpenters, swordsmiths, and farmers. The ultra-thin plate is about 3mm thick, making it easy to use for hobby-related items such as mini 4WD carbon polishing, FRP polishing, flex processing, and matte finishing for plastic models. [Important Notes] As this is an imported product, there may be scratches or stains. We will inspect the product before shipping, but if there are any defects, please contact us before leaving a review. Please purchase after understanding. 1 1