Fisher Bullet Space Pen 400BTN-N - Writes Upside Down At Any Angle Underwater And In Extreme Temperatures

The Fisher Space Pen Bullet Space Pen 400BTN-N is a compact, premium writing instrument designed for professionals, adventurers, and anyone who needs reliability in tough environments. At 3.75" closed, it fits easily in a pocket or notebook and is ready to capture notes no matter the conditions—writing upside down, at any angle, under water, over grease, and in extreme temperatures.

• Compact, pocket-friendly design: 3.75" closed length with a bullet profile for effortless everyday carry
• PR4 black ink, medium point: consistent, smooth writing suitable for technical notes and daily tasks
• Extreme-condition performance: writes upside down, at any angle, underwater, over grease, and in extreme temperatures
• Durable Black Titanium Nitride finish with nouveau engraving: rugged, premium look that resists wear
• Boxed for gifting or presentation: ready to give or store securely

Whether you’re on a job site, in the field, at sea, or traveling, the Fisher Space Pen Bullet 400BTN-N ensures you can record information when others can’t. The pressurized PR4 cartridge maintains ink flow across orientations and conditions, while the compact size and refined finish keep it practical and professional. This pen is ideal for engineers, technicians, outdoor enthusiasts, pilots, and anyone who values dependable writing tools in demanding environments.