Fisher Space Pen Cap-O-Matic Space Pen Matte M4B-ART - Writes Upside Down, Under Water, And In Extreme Temperatures

The Fisher Space Pen Cap-O-Matic Space Pen in Matte Black with Artemis logo is a rugged, ready-for-anything writing instrument built for professionals who work in demanding environments. With a compact 5.25" profile and a sturdy pocket clip, it delivers reliable ink when you need it most.

• Length: 5.25" overall for comfortable writing and easy pocket carry
• Finish: Matte black with Artemis logo for a clean, professional look
• Ink & Nib: PR4 black ink with a medium-point cartridge for smooth, legible lines
• Cap-O-Matic Design: Cap-off mechanism with a pressurized refill that performs in extreme conditions
• Write Capability: Writes upside down, at any angle, underwater, through grease, and in extreme temperatures
• Carry Feature: Built-in pocket clip to secure the pen in a pocket, notebook, or case
• Packaging: Boxed for gifting or direct retail

Whether you’re in a workshop, on a field assignment, or documenting data in challenging environments, this pen stays in action when others fail. The pressurized PR4 ink maintains steady flow across temperatures and surfaces, so you can capture notes in rain, grease, or freezing conditions without interruption. The Cap-O-Matic design protects the tip and supports reliable use in tight spaces, while the matte finish and Artemis branding add a professional touch to your toolkit or desk setup. Ideal for engineers, researchers, pilots, technicians, and outdoor enthusiasts who value dependable performance in real-world conditions.