Pens Uniball Power Tank Ballpoint 1.0mm Retractable SN220 SN-220 Black box 12 

10501227 4902778929926

Pens Pen Uniball Power Tank Ballpoint 1.0mm Retractable SN220 Black - A pressurised ink delivery system enables the PowerTank pens to continue writing upside down, in extreme cold (up to minus 20 degrees), -

A pressurised ink delivery system enables the Power Tank pens to continue writing upside down, in extreme cold (up to minus 20 degrees), on shiny surfaces, wet paper and even underwater. Made with 55% recycled content.