Can Anyone Recommend A Good Mechanical Pencil?

My favorite is the Rotring 600.

Rotring 300 is my favorite, I forgot to mention that. I really dont think that there is anything that rivals it for a professional use.

I have a couple of high-end pencils, they're functional, but hardly used. My daily go-to is a Pentel P205 0.5mm. You can't go wrong in my opinion.

You could try a FixPencil from Lee Valley, they are supposed to be one of the best! Here's the link.....
The Original Mechanical Pencil, Fixpencil® - Lee Valley Tools

Brock