Fisher Cap-O-Matic Space Pen M4BMWL - Writes Upside Down At Any Angle Underwater And Through Grease Extreme Temperatures

The Fisher Space Pen Cap-O-Matic M4BMWL is a compact, rugged writing instrument designed for professionals who need reliable performance in extreme conditions. At 5.25 inches with a handy pocket clip, it slips easily into a pocket or notebook for ready jotting anywhere.

• Length: 5.25" overall, a compact size that travels well in pocket or clip-on carry.
• Ink and Point: PR4 black ink, medium point for clean, legible lines.
• Write-anywhere capability: Writes upside down, at any angle, under water, through grease, and in extreme temperatures.
• Finish: Matte black finish with a thin white line imprint for a subtle, professional look.
• Mechanism: Cap-O-Matic system enables smooth operation and cap security.
• Packaging: Includes a pocket clip and comes boxed for protection and gifting.

With its pressurized PR4 ink, this Space Pen maintains consistent performance across extreme conditions—from rain-soaked job sites to greasy hands and freezing or boiling temperatures. The ability to write upside down or at unconventional angles makes it ideal for field engineers, technicians, researchers, and outdoor enthusiasts who refuse to let a bad writing surface slow them down. The matte finish and slim profile convey professionalism, while the built-in pocket clip keeps it within reach for quick notes, measurements, or signatures. Each pen is boxed, ready for gifting or storage, making it a practical, dependable addition to any toolkit or desk.