I'm so happy I found somewhere to get the .4mm size! I write really small, and
so a pocket planner is sufficient for me; however, I can only write as small as
the pen can provide legibly...and the .7mm leaves gaps in some letters due to
the fact that the ball sometimes doesn't rotate far enough to retrieve the ink!
My only complaint would be that it's only stocked in black...I'd honestly prefer
blue, but the need for legibility outweighs my personal preference, so I'll make