I love to draw and use usually a Pental Multi-8 loaded with 2mm lead in different grades of softness. I would like to complement the Pentel Multi-8 with a mechanical pencil that takes multiple 1 mm leads. No such pen is currently in production and my best bet is buying a vintage Norma 4-color pencil. I takes 1.1 mm lead. I wonder if commonly available 1 mm lead will work in a pencil designed for 1.1 mm lead. All I know is that Faber-Castell makes 0.9/1.0 mm lead that works in pencils that take 0.9 mm and in those that take 1.0 mm lead. I do not want to have to rely on buying old stock 1.1 mm lead and neither do I trust that currently made 1.1mm lead will be available for any considerable time. Does anybody here have a Norma 4-color pen, and does it work with 1.0 mm lead?