Fisher Space Pen Pressurised Refill (PR) Fine Point - Black

A pressurized ink refill for Fisher Space Pens, providing fine-point, black ink that lasts three times longer than regular ballpoints.

• The pressurized cartridge writes in extreme conditions from -30°F to +250°F.
• The ink writes on any surface, including wet, greasy, and underwater.
• The refill lasts three times longer than ordinary ballpoints.