400# coarse grinding and 1000# fine grindingUse these double-sided sharpening stones to sharpen the knife quickly. 400 # coarse grinding. 1000 # fine grinding. Help repair the edges of your worn/damaged knives and restore their sharpness. And the unique honeycomb design on 400# makes the dust generated during grinding will not hinder the continuous grinding, making the sharpening smoother. 5 in 1/Multi-slot/Multifunctional400#, sharpen the edges quickly; suitable for particularly blunt knives. 1000# makes the edge smooth and delicate, suitable for slightly blunt knives. The polishing slot is inlaid with a ceramic rod to polish the edge. The cutting edge slot is embedded in tungsten steel and is suitable for unsharpened knives. Ceramic rods are built into the scissor slot, suitable for household scissors. Knife Sharpeners with Ergonomic HandleDifferent from many other sharpening stones, this sharpening stone is designed with an ergonomic handle. Safer and simpler when using. Housewives and professionals can easily use it. In addition, it is designed with a polishing slot, a tip slot and a scissor slot, making it more than a sharpening stone. High Quality and Proper SizeYeuri emery sharpening stone is hard, wear-resistant, corrosion-resistant and durable. The whole sharpening stone measures about 11.34 x 2.16 x 0.79 inches / 28.8 x 5.5 x 2 cm. It is rather compact, small and portable. The hanging hole design on the handle makes storage more convenient. Wide ApplicationThe multifunctional sharpening stone is of reliable quality and can be applied to a variety of knives. It can be used to sharpen kitchen knives, fruit knives, chef knives, steak knives, paring knives, sushi knives, pocket knives, scissors, carving knives, etc. It can also be used for polishing jade, wood chisel, rough edges and corners of glass containers, etc. Function: Polishing Slot Built-in ceramic rod, suitable for polishing the cutting edge after sharpening. Cutting Edge Slot Built-in tungsten steel, suitable for unsharpened knives. Scissor Slot Built-in ceramic rod, for sharpening household scissors. Hanging Hole The hanging hole design on the handle makes storage more convenient. Specifications: Color: Black Material: Emery Product Size: 11.34 x 2.16 x 0.79in / 28.8 x 5.5 x 2cm Product Weight:198g Package Includes: 1 x Sharpening StonesYeuri