Fisher Space Pen 338 Cartridge Writes Upside Down Under Water At Any Angle In Extreme Temps Brass Construction

The Fisher Space Pen 338 Cartridge Space Pen is a compact, durable writing instrument built for professionals and explorers who work in demanding environments. At 4.13 inches, it fits easily in a pocket or kit while delivering dependable performance when it matters most.

• Length: 4.13" overall length for easy, unobtrusive carrying
• Ink & Nib: PR4 black ink with a medium point for smooth, legible writing
• Extreme-Condition Writing: Writes upside down, at any angle, under water, over grease, and in extreme temperatures
• Construction: Brass construction provides durability and a solid, balanced feel
• Packaging: Boxed for protection and gifting or ready-to-ship storage

Whether you’re in the field, on a boat, in the workshop, or exploring remote terrains, this Space Pen 338 ensures notes can be captured reliably—no matter the angle, surface, or weather. The pressurized PR4 cartridge maintains ink flow through rain, grease, or freezing cold, while the enduring brass body stands up to daily wear. A practical, long-lasting writing tool for engineers, technicians, divers, pilots, and outdoor enthusiasts alike.