Fisher Cap-O-Matic Space Pen - Cherry Red Cerakote Finish With PR4 Cartridge For Upside Down And Underwater Writing

The Fisher Space Pen Cap-O-Matic Cherry SM4H-319 is a compact, field-ready writing tool built to perform where ordinary pens fail. With a 5" profile, a durable Cherry red Cerakote finish, and a pressurized PR4 cartridge, it’s designed for professionals who work in demanding environments.

• Length: 5" overall — compact and easy to carry in a pocket or clip onto a notebook.
• Finish: Cherry red Cerakote finish for rugged durability and standout appearance.
• Mechanism: Cap-O-Matic design with a secure cap for one-handed operation and quick, ready writing.
• Ink system: Pressurized PR4 cartridge ensures consistent ink flow across temperature ranges and orientations.
• Point and ink color: Medium point with black ink for clear, legible lines.
• Write-anywhere capability: Writes upside down, at any angle, underwater, and over grease for dependable use in tough conditions.
• Packaging: Clam-packed, retail-ready packaging for easy display and gifting.

Whether you’re a field technician, engineer, outdoor professional, or traveler, this Space Pen keeps notes moving when conditions change. The pressurized ink reduces skips and blobs, so you get clean lines even when your hands are cold, wet, or greasy. The Cerakote finish protects against scratches and wear, helping the pen stay legible and professional-looking over time. The 5" form factor and pocket clip keep it accessible on a belt, in a shirt pocket, or attached to a notebook, while the Cap-O-Matic mechanism supports quick, reliable use on the go. This is a practical tool that helps you capture ideas, measurements, and logs in environments where standard pens falter.