Stabilo

(This is the same review for the 0.3mm black ink, except for adding that the blue is a dark navy.) Like most roller ball pens, the line put down is thicker than you'd generally expect--which is why I like the 0.3mm so much, it's really about the equivalent to a 0.5 pencil or drawing pen. I love the ergonomic design, the grippy feel of the pen body, and the super cool cap. I had some skipping problems when I first started writing, but that has cleared up and haven't had problems since, very smooth writing. Great note-taking, on the go pen. I had been primarily using the Ohto Graphic Liners (0.2, 0.5, and 1.0), but those dried up so quickly and I've been so pleased with this pen, I've almost completely switched over to this (and the black ink...