Whet stone is the best tool for sharpening Japanese-style knives. The whet stone does not damage or scratch the steel of the knife and allows you to achieve the highest quality result when sharpening. This #4000 grainy whet stone is suitable for final polishing of the knife blade. Graininess #4000 is designed for polishing and final finishing of the knife blade. Dimensions: 185*62*15mm. The sharpening stone is attached to a plastic base for convenient sharpening. Place the stone in water for 5-10 minutes before use. The sharpening angle of Japanese kitchen knives is generally 15 degrees, for European knives - 20 degrees. Before you start sharpening, familiarize yourself with the sharpening instructions given by the manufacturer of the knife. In the process of sharpening, it is not necessary to clean or dry the stone. If necessary, additional water can be sprinkled on the stone. After use, clean the sharpening stone under running water and dry.