Fisher Space Pen Bullet Writes Upside Down At Any Angle Underwater And In Extreme Temperatures

The Fisher Space Pen Bullet S400BCL is a compact, all-condition writing instrument designed for professionals and adventurers who refuse to let terrain or weather stop their notes. With a 3.75-inch closed body and a sturdy pocket clip, it travels ready wherever you go.

• Model and Finish: Fisher Space Pen Bullet S400BCL with a sleek black exterior for a low-profile, professional look.
• Ink and Nib: Uses a PR4 black ink cartridge with a medium point for smooth, legible writing.
• Extreme-Condition Writing: Writes upside down, at any angle, underwater, over grease, and in extreme temperatures, ensuring you can record information in challenging environments.
• Size and Portability: 3.75" closed length with a pocket clip, making it easy to carry in a pocket, notebook, or tool kit.
• Packaging: Hang packaged for orderly retail display and quick access.

This space-proven pen is ideal for field technicians, scientists, divers, engineers, and anyone who needs a reliable writing tool that won’t fail when conventional pens do. Its durable build, practical clip, and ability to perform under pressure translate into fewer interruptions and more consistent records—whether you’re logging observations, taking quick notes on greasy equipment, or jotting down thoughts during flights and explorations. The Fisher Space Pen Bullet S400BCL stands up to the elements so you can focus on the task, not the writing tool.