The special chisel nibs of the Edding 1255 Calligraphy Pens makes the creative writing style of calligraphy easier to achieve. The water-based ink does not bleed through paper and helps keep writing beautiful.High quality calligraphy pens.Lightfast water based ink means they are resistant to light smudging and water. Ideal for lettering and creative writing.Assorted stroke widths 2.0 3.5 and 5.0mm.