What's the name of the pen for copying copybooks?

The commonly used pen for copying copybooks is a writing brush.

In the traditional brush calligraphy in China, the copybook brush is usually wolf hair or wool. These brushes usually have the characteristics of moderate hardness and good water absorption, so they can be easily mastered and copied better.

Different brushes and writing tools have their own unique writing styles and characteristics. Choosing the right brush is very important for improving the writing level and inheriting the calligraphy culture in China.