Military Pen (Cap-O-Matic) - Trademan/Neon Yellow

Writes upside down - at any angle, under water, through grease, extreme temperatures (-30 to +250 degrees F), on almost any surface, three times longer than the average pen

The Military Space Pen with Stylus measures 133 mm (5.25 inches) and contain a #PR4 Black Ink, Medium Point Pressurized Fisher Space Pen Refill.