Some merchants have also made a pen container, which contains many pens of different sizes and materials to meet the market demand and can be disassembled for practical use. There is also a pen with many pens of different lengths to meet the needs of holding the pen posture when writing. In fact, no matter how it changes, it is still inseparable from the most basic characteristics of the brush.
The classification of extended data brushes is mainly based on the size, as well as the type, source and shape of bristles.
According to the commonly used size, the brush can be simply divided into: lower case, middle case and upper case. The bigger ones are screen pen, couplet pen, bucket pen, pen planting and so on.
According to the elastic strength of bristles, they can be divided into soft hair, hard hair and double-stranded brush.
According to the purpose, it can be divided into brush and paint brush.
According to the shape, it can be divided into round hair and pointed hair.
According to the length of the pen, it can be divided into: long front, center and short front.