Fisher Cap-O-Matic Space Pen M4BGRL - Writes Upside Down, Under Water, In Extreme Temperatures

Meet the Fisher Space Pen Cap-O-Matic M4BGRL—a compact, reliable writing instrument designed for professionals who work in challenging conditions. Its durable matte black finish with a subtle green line and a handy pocket clip keep you prepared for any task.

• Length: 5.25" overall for easy pocket carry and quick access.
• Finish: Matte black with a thin green line imprint for a professional, understated look.
• Ink & nib: PR4 black ink, medium-point cartridge delivering smooth, consistent lines.
• Writing versatility: Writes upside down, at any angle, under water, over grease, and in extreme temperatures—great for fieldwork and demanding environments.
• Carry: Built-in pocket clip for secure attachment to pockets, notebooks, or gear bags.
• Cap-O-Matic design: Classic cap mechanism that protects the ink when not in use and enables ready use with a simple cap action.
• Packaging: Boxed for gifting or resale, ready-to-ship in professional presentation.

This Space Pen is ideal for technicians, divers, field researchers, pilots, and anyone who needs dependable writing no matter the conditions. The PR4 ink ensures reliable performance across temperature extremes and challenging surfaces, while the compact form and clip make it a practical everyday carry. If you value a pen that won’t quit when things get messy or the environment changes, the Cap-O-Matic M4BGRL is a thoughtful, purpose-built choice.