Do you?

My favourite is the Sakura Writoll 0.5.

Basics:  It’s very light.  The silicone grip is … grippy.  It’s very comfortable to use.

Killer:  The pencil top button retracts the pencil lead in to a sheilded tip, protecting the lead.

Improve:  It's a shame the pencil is plastic, an aluminium version would be great.

Anyhow.  I thnk It’s a very good pencil.  You can buy one through JetPens or Amazon.