If you've ever tried to cram humanity's knowledge of mathematics onto a single cheat sheet, this selection guide will be useful to you. American pens and pencils tend to weigh in at a hefty 0.5 mm, turning inviting surfaces like calendar squares, filing cabinet labels, and book margins into dense war zones.

Enter the fine tip pen and pencil, brilliant inventions for artists and students alike. This selection features pens and pencils that are available in tip sizes as small as 0.25 mm and 0.2 mm, respectively.