Capless rollerball refills, suitable for Montblanc Heritage Collection 1912 Capless Rollerball and Montblanc M Rollerball. High quality refill for a smooth writing experience. This refill is available in Mystery Black. Montblanc 1 Rollerball Capless System Refill For all Rollerball Capless System pens. Available in Blue and Black. Our comprehensive Montblanc range is available to purchase in store exclusively. If you need help or advice on your Montblanc purchase, simply call 01603 660661 and ask for our Montblanc Pen Specialists.