Blue ink fine point Fisher pressurized universal cartridge. This is the replacement Cartridge for #Q4 Multi-Action Space Pen. Please note: the SU Cartridges contain a much smaller amount of ink, they write about. 1200 feet depending on your writing style, as compared to our regular PR Cartridge. which should write more than 12,000 feet depending on style and surface.
Replacement cartridge for Q4
Ink Color: Blue Ink
Point: Fine Point
Write about 1200 feet depending on writing style
Note: SU cartridges contain smaller ink amount