Fisher Space Pens Blue Ink Medium Point Refill, Carded

The standard ball pen refill produced by Fisher Space Pen can be converted to fit a Parker ball pen, The Fisher Space Pen Co developed a unique ink, which they contained within a pressurised refill cartridge. As a result, evaporation, wasted ink and back leakage are eliminated. As a result, the estimated shelf-life of Fisher Space Pens is over 100 years. UK Delivery Only