Montblanc fountain pens online store in the UK: How to write smoothly with a rollerball pen? The key difference between rollerball and ball pen types is that rollerball pens use water-based rather than oil-based inks. Like fountain pens, then, their
Montblanc fountain pens online store in the UK: How to write smoothly with a rollerball pen? The key difference between rollerball and ball pen types is that rollerball pens use water-based rather than oil-based inks. Like fountain pens, then, their