🖊️ Write Your Legacy with Fisher Space Pens! Designed for the modern professional, combining function with flair. Enjoy a remarkable shelf life of over 100 years. Reduce waste with refillable options that last a lifetime. Easily convert to fit Parker ball pens for versatile use. Pressurized cartridge eliminates evaporation and leakage. 100-Year Shelf Life Pressurized Ink Medium Point The Fisher Space Pen Blue Ink Medium Point Refill is a high-quality ball pen refill designed for longevity and reliability. Featuring a unique pressurized ink cartridge, it prevents evaporation and leakage, ensuring a smooth writing experience. Compatible with Parker ball pens, this refill boasts an impressive shelf life of over 100 years, making it a sustainable choice for professionals who value both style and functionality.