Rite in the Rain - All-Weather Pen - Black Ink - Metal Barrel (No. 97)
This All-Weather Metal Pen writes on wet paper and upside down, the pressurized ink cartridge performs in temperatures from -30F to 250F. The ink won't leak, evaporate or blow up in your pocket! 5 1/4" long, with a Barrel Diameter of 3/8". Black ink.