The Uni Power Tank Ballpoint pen writes in extreme conditions, be it cold or wet. It uses internal air pressure to keep ink flow at all conditions and all angles, so it writes even when upside down.
uni ball Power Tank Retractable Ballpoint Pens 1.0 mm Blue Barrel Blue Ink Pack Of 12 Pens - Office Depot
Pens, Writing & Correction Supplies, Office Supplies
Uniball PowerTank RT Black Pens 12 Pack, 1.0mm Bold Pens, Ballpoint, Pen Retractable, Bulk Pens, Bulk Ink Pens, Office Supplies, Colored Pens, Pens Fine Point Smooth Writing Pens : Rollerball
UBC42071 - Power Tank Retractable Pen offers a pressurized ballpoint for extreme writing performance. Use it to write on wet surfaces, in extreme cold, at odd angles and even upside down. Uni Super Ink helps prevent check and document fraud. Textured grip offers great writing comfort.
uni-Ballpoint Power Tank RT Retractable Ballpoint Pen
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Uni Power Tank Ballpoint Pen - 0.7 mm - Black Body - Black Ink : Rollerball Pens : Office Products
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UBC42071 - Power Tank Retractable Pen offers a pressurized ballpoint for extreme writing performance. Use it to write on wet surfaces, in extreme cold, at odd angles and even upside down. Uni Super Ink helps prevent check and document fraud. Textured grip offers great writing comfort.
Uni-Ball Power Tank RT Retractable Ballpoint Pen, 1mm, Black Ink, Smoke/Black Barrel, Dozen
Pressurized ink cartridge works at odd angles and in cold weather or wet conditions.; Indelible hybrid ink blends the smoothness and vibrancy of a gel
1PK Power Tank RT Ballpoint Pen, Retractable, Bold 1 mm, Black Ink, Smoke/Black Barrel, Dozen