UNI-SN220 PowerTank Retractable Ballpoint Pen.
Pressurised refill gives this pen writing ability in extreme conditions. The Uni PowertTank will write on wet paper, upside down, in temperatures down to -20degC and even in zero-gravity. Available in Black ink only.
The 1.00mm ball writes a 0.4mm line. The black and grey pen is retractable with a handy rubber grip, ideal for outdoor and professional use, on the hill, or at home.
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