Fisher Space Pen Cap-O-Matic - Writes Upside Down, At Any Angle, Underwater, And In Extreme Temperatures

Meet the Fisher Space Pen Cap-O-Matic SM4BLCT: a blue, pocket-ready pen built for field use and reliability. It writes upside down, at any angle, underwater, over grease, and in extreme temperatures, so you can capture notes in challenging conditions without fumbling for a pen.

• Model: Cap-O-Matic SM4BLCT with a blue body for visibility and quick identification.
• Length: 5.13" overall, compact enough for pockets, notebooks, or tool belts.
• Ink: Fisher PR4 black ink, medium point cartridge ensures clean, legible lines.
• Cap mechanism: Cap-O-Matic design provides easy, one-handed cap removal and secure writing in tight spaces.
• Clip: Built-in pocket clip keeps the pen accessible on bags, shirts, or gear.
• Packaging: Hang-pack packaging for straightforward retail display and quick grab-and-go use.

With a pressurized ink system, this Space Pen maintains consistent performance across a wide range of environments—from rain-soaked jobsites to grease-covered equipment and extreme temperatures. It’s ideal for field technicians, researchers, divers, military or disaster-response teams, and anyone who needs a reliable writing instrument when traditional pens fail. The blue body, compact size, and durable construction help you keep notes, signatures, and sketches ready wherever your work takes you.