Fisher Space Pen Military Cap-O-Matic SM4B - Writes Upside Down, Underwater, At Any Angle In Extreme Temperatures

The Fisher Space Pen Military Cap-O-Matic SM4B is a compact, dependable pen built for fieldwork and demanding environments. Designed for professionals who need reliable writing anywhere, it writes even upside down, underwater, or in extreme temperatures.

• Size: 5.25" overall length with a slim profile for pocket carry.
• Ink & Point: Fisher PR4 black ink with a medium point for smooth, legible lines.
• Finish & Color: Matte black finish for a professional look and reduced glare.
• Extreme-Condition Writeability: Writes upside down, at any angle, underwater, over grease, and in extreme temperatures.
• Clip & Carry: Built-in pocket clip keeps the pen accessible on shirts, bags, or gear.
• Packaging: Hang-packaged for retail display and easy stocking.

The Fisher Space Pen SM4B delivers reliability when it matters most. The Cap-O-Matic design protects the ink and ensures consistent performance across surfaces and conditions—from damp workshops to cold outdoor environments. With matte black styling, it looks professional in any kit, and the 5.25" size fits comfortably in a pocket or notebook cover. This pen is ideal for military personnel, outdoor professionals, technicians, divers, and anyone who needs a single, dependable tool for field notes, maintenance logs, and on-the-job documentation.