Power Tank Ballpoint Pen – SN-220

SN-220 | Nib size: 1mm  

The Power Tank Ballpoint Pen by uni-ball is the perfect pen for extreme or challenging conditions.

It features a pressurised barrel that will deliver the ink when writing at any angle. The SN-220 works on wet paper, in freezing conditions (up to minus 20 degrees) and even in zero gravity.

So if you are on a field trip, need to take notes in difficult conditions or you are an astronaut the Power Tank is the pen for you!

It’s rubberised grip and retractable nib make the Power Tank a practical option too.

It’s 1.0mm nib writes a 0.4mm line and this pen is available in black and blue.


Works on



Retractable, Rubberised Grip