uni-ball SN-220 Power Tank Broad Retractable Ballpoint Pens - Black Ink, 12-Pack for Office, School & Everyday Writing - Smooth, Reliable & No-Skip Performance

The uni-ball Power Tank pen’s pressurised tank makes it the pen for even the most extreme conditions. The Power Tank allows you to write in temperatures as low as -20°C, upside down, on wet paper – it will even write in zero gravity should you ever require it to. A rubber grip provides comfort and this retractable ballpoint pen just won’t let you down. 1.0mm ball. Available in black and blue.

Box of 12 Power Tank pens in black

Write in temperatures as low as -20°C, upside down and on wet paper

Comfortable to use thanks to its chunky rubber grip and a convenient retractable nib for speed of use

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!

1.0mm ball writes a 0.4mm line