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Uni-ball PowerTank SN-220 1mm Black
The Uni-ball PowerTank can write upside down, in temperatures down to -20˚C and on wet paper without blurring, making it the ideal pen for those who work outside or enjoy outdoor leisure pursuits. It achieve this as the ink tank is pressurised avoiding many of the shortcomings of traditional ballpoint pens.
Other features of the Uni-ball PowerTank are a rubberised grip, retractable nib and waterproof Uni Super Ink making it very practical too. It also has a 1mm nib which writes a 0.4mm line.
Probably our favourite pen because it is so versatile and will write under most conditions.
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