Montblanc Rollerball Refills (F) Mystery Black 105162 &ndash; Quick-Drying Pen Refills for Montblanc Rollerball and Fineliner Pens &ndash; 2 x Black Pen Cartridges The rollerball pen refills by Montblanc provide a beautifully fluent and consistent ink flow - for an especially smooth writing experience The Mystery Black color stands for finesse and respectability - perfect for executive business, drawing, writing down inspirational stories, and drafting documents The fine tip of the cartridge presents a precise black line and glides swiftly across the paper without resistance / The tip does not scrape and is perfect for writing on precious paper The ink is quick-drying to prevent smearing for an elegant and neat look on paper / The pen refill cartridges fit all Rollerball and Fineliner Pens by Montblanc, except for the LeGrand Rollerball Items delivered: 2 x Rollerball Refills F in Mystery Black by Montblanc / Pen refills come in an elegant gift box that mirrors the ink color