Parallel Pen Cartridges - Box of 6 Black

A specific formula only intended for use in the Pilot Parallel Pen. Although it will fit in other Pilot fountain pens, it is not recommended to use in any other pen.
box of 12 cartridges
assorted 12 inks
red
orange
yellow
light green
green
turquoi

Named the Pilot Parallel for the 2 parallel plates that serve as the nib for this calligraphy-style fountain pen. Has a long grey body with different colored sections to distinguish the nib size.
2.4 mm Nib
Includes one black ink cartridge, one red ink

Named the Pilot Parallel for the 2 parallel plates that serve as the nib for this calligraphy-style fountain pen. Has a long grey body with different colored sections to distinguish the nib size.
3.8 mm Nib
Includes one black ink cartridge, one red ink

Named the Pilot Parallel for the 2 parallel plates that serve as the nib for this calligraphy-style fountain pen. Has a long grey body with different colored sections to distinguish the nib size.
6.0mm Nib
Includes one black ink cartridge, one red ink c

Named the Pilot Parallel for the 2 parallel plates that serve as the nib for this calligraphy-style fountain pen. Has a long grey body with different colored sections to distinguish the nib size.
3.0mm Nib
Includes one black ink cartridge, one red ink c