uni-ball - Power Tank RT Ballpoint Retractable Pen, Black Ink, Bold, Dozen
Writes on wet paper, upside-down, in temperatures as low as -4°F (-20° C), and even in zero-gravity. Pressurized ink tube allows it to write smoothly in extreme conditions. uni Super Ink™ provides three-way protection against water, fading and fraud. Textured rubber grip provides extra comfort and control. Semi-transparent barrel lets you monitor the ink supply. Point Size: 1 mm; Point Type: Bold; Ink Color(s): Black; Pen Type: Ballpoint.