Material composition:

The material is formed by high-temperature crystallization after 1700° high temperature crystallization by ball-milling flotation and then high-temperature sintering. It has the characteristics of good self-sharpness, strong toughness, fast grinding, etc. It is equipped with silicone anti-slip.

Why do they call it a whetstone?

Though "whetstone" is often mistaken as a reference to the water sometimes used to lubricate such stones, the term is based on the word "whet", which means to sharpen a blade, not on the word "wet."