| Product | Examples of brands | Examples of sizes |
|---|---|---|
| Pens | Many | 0.2 mm, 0.3 mm, 0.5 mm, 0.7 mm, 1 mm |
| Pencils | Many | Lead dia.: 0.5 mm, 0.7 mm, 0.9 mm |
| Lead len.: 60 mm |
Pens have tip widths such as 0.2 mm, 0.3 mm, 0.5 mm, 0.7 mm, and 1 mm. Here are some examples. Note that widths for ball-point pens generally refer to the diameter of the ball, while widths for other pens often refer to the width of the pen stroke.
Pencils have lead in widths such as 0.5 mm, 0.7 mm, and 0.9 mm and replacement lead lengths such as 60 mm. For example:
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