The 400# fine surface scouring stone can be used to grind all kinds of family accessories, kitchen knives, scissors, etc., and can also be used to grind all kinds of garden tools, garden tools. carpentry, carving knives, etc. The 1000# super fine surface whetstone is very suitable for sharpening ceramic knives. This type of whetstone uses diamond as an abrasive, which is the hardest grinding medium to this day. The diamond pattern is used to collect and fix metal shavings. Easy to use, handle design, a ceramic rod in the middle of the grinding wheel handle is more convenient for sharpening the blade of scissors. Ceramic bar and tungsten steel plate, grinding wheel side is cross cut. One side is two ceramic rods for blade polishing and fine sanding, the other side is two tungsten steel pieces for fast blade cutting. The sharpening stone can be used dry, but when used with lubricant, the cutting speed is faster and the service life is longer.