The round tip is very durable and does not pill. When staying longer on paper, there are fortunately no leakage. The line width of 1.0 mm it can still well be written. But especially when coloring the good quality of the pins comes to light. They are very bright, intense color and covering mainly.
The manufacturer indicates that the fiber pens up to 25 hours are open for storage. In fact, the pens dry not so easy, so that a long service life can be guaranteed.
The case made of plastic is not particularly stable and serves rather as a packaging material and less than storage. Again, however, offers Stabilo beautiful alternatives that can be purchased separately.
