Pencils offer a great versatility – here are some obvious benefits:

1. pencils are cheap writing utensils
2. there are various hardness degrees for different areas of use (see above)
3. you can get pencils nearly everywhere
4. different types and designs are available
5. pencils are easy to handle
6. they write perfectly at any temperature
7. they write in any position or situation (overhead or in space!)
8. Made a mistake? No problem – simply erase the wrong parts