Because 1.0' s pen is thicker than 0.7' s pen, and 1.0' s pen can describe the character's temperament more accurately than 0.7' s pen, making the font more vigorous and beautiful, so 1.0' s pen is better than 0.7' s pen.
Artistic brush is a kind of special pen that makes thick and thin lines with the help of the inclination of the pen head. Widely used in fine arts painting, hard pen calligraphy and other fields. It is a tool for artistic creation and is very practical. Fine brushwork in art has both general usage and special usage.