What pen is used to write calligraphy?

Hard-pen calligraphy pen (pencil for beginners) Soft-pen calligraphy brush. There are many kinds of pens and brushes. There are good and bad. Soft pen calligraphy uses different brushes for different fonts. Such as fine print, use a small brush specially used to write this small font. You'd better write Spring Festival couplets with a bigger brush.