+ 12-pack is genuine Schäppchen, retail cost to approximately 2.50 per piece.
+ Good line thickness, rich typeface (0.7mm)
+ No problems with drying out or misfires when writing
+ Very smooth rolling, thereby comfortable writing
+ Rubber grip is very comfortable, with high load considerably later fatigue than competitive products.
+ Ink may be directly after application yet verschmierbar, after a few seconds but already bombproof and indelible.