**Feature** Parallel Beginner Calligraphy 2.4mm Nib (Orange Cap) Fountain Pen Fountain Pen Major breakthrough in calligraphy pen design. Unique parallel plate structure achieves a more beautiful and sharper handwriting than existing calligraphy pens. Mixable colors - using two Pilot Parallel Pens each with different color cartridges produce beautifully gradated lettering by touching the nibs together Each set comes with a Parallel pen one Black and one Red ink cartridge converter to clean the pen and a nib cleaner Available in 4 nib sizes: 1.5mm (Red Cap) 2.4mm (Orange Cap) 3.8mm (Green Cap) and 6.0mm (Blue Cap) Refills available in single color (boxes of 6 ea.) or assorted box of 12