Uni-Ball Power Tank is a brilliant outdoor pen that allows you to write pretty much anywhere! It also has a comfortable chunky grip (great for cold fingers)and uses Uni Super Ink that is water resistant, UV resistant, chemical resisitant and tamper proof. Medium nib produces a 0.4mm line width. Refillable with Uni-Ball SNP-10 refills.
- Available in 3 colours
- Cold Resistant ink, will work at -20°C
- 0.4mm line width