The first fiber pen that can be combined in any way thanks to a clever system. Not only favorite colors but also the different Link-It writing systems (fineliner and fiber pen) can be easily connected. The cap-off ink does not dry out, even if the pen is left open for 2-3 days. The rubberized, ergonomic triangular grip feels comfortable and non-slip in the hand and can also be conveniently held as a single pen by repositioning the cap. It won't roll away, and its slim shape fits individually or linked in any case. The casing is made from 88% bio-based plastic. The click system allows for easy combination of the pens. Ergonomic triangular grip. Ink does not dry out, even if the pen is left open for 2-3 days. Ink color: Blackforest Green. Line width: 1 mm.