Hard pen.
The bristles of hard brush pens are more elastic, and common ones include rabbit hairs, wolf hairs, deer hairs, rat whiskers, badger hairs, mountain horse hairs, pig bristles, etc.
Before buying a pen, you should also know the model of the brush. Due to different styles, calligraphy brushes are divided into small regular script, medium regular script, and large regular script. The larger ones are screen brush, joint brush, douban brush, and planting brush, etc. Due to the different names and brands of each pen factory, the sizes are also different.