All-Weather Pen Clicker Black

5.25" overall. Pocket clip. Black metal barrel. Writes in any weather. Writes at any angle, even upside down. Pressurized blue ink cartridge. Uses refill (RITR37R). Ink is permanent, will not dry out. Extreme temperatures: -30 F to 250 F. Perfect for use on Rite in the Rain field books and paper.