The ideal 'Wet Weather Pen.' The uni Power Tank SN-220 ballpoint pen does what most other pens don't do. It works in temperatures as low as -20°C, upside down, on wet paper it will even write in zero gravity! With a rubber grip for comfort, this retractable ballpoint pen won’t let you down. It is really comfortable to use and smooth to write with at speed. Surveyors, Construction Workers and Estate Agents love this pen.
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