Montblanc make mechanical pencils. As do most of the luxury brand manufacturers (there are many who make more expensive pens than Montblanc.) This is potentia

Montblanc make mechanical pencils. As do most of the luxury brand manufacturers (there are many who make more expensive pens than Montblanc.) This is potentially better then lead in that it's permanent after a while. I wonder how permanent, but it's certainly true that pencil notes on paper don't come close to archival quality.