Fisher Space Pen Bullet Space Pen 400BTN - Writes Upside Down, At Any Angle, Under Water, And In Extreme Temperatures

The Fisher Space Pen Bullet Space Pen 400BTN is a compact, rugged writing instrument designed for professionals and adventurers who write anywhere, in any condition. Its 3.75" closed size and Black Titanium Nitride finish make it a dependable everyday carry for fieldwork, emergencies, and on-the-go note-taking.

• Length: 3.75" closed, compact for easy pocket or tool-belt carry
• Ink: PR4 black ink, medium-point cartridge for smooth, legible lines
• Write capability: Writes upside down, at any angle, under water, over grease, and in extreme temperatures
• Finish: Black Titanium Nitride coating for durability and a low-reflect finish
• Packaging: Boxed for gifting or straightforward storage

This pen is purpose-built to solve real-world writing challenges: you can take notes on wet or oily surfaces, document measurements in extreme conditions, and rely on consistent ink flow when temperatures swing. The PR4 medium-point nib provides clear, readable lines, while the pocket-friendly profile keeps your handwriting ready without bulk. Ideal for field technicians, outdoor enthusiasts, sailors, travelers, and anyone who needs a dependable pen in demanding environments.