Uni Power Tank SN220 1.0 Pen.

A pressurised ink delivery system enables the PowerTank pens to continue writing upside down, in extreme cold (up to minus 20 degrees.

• Easy to write in the upright position
• Smooth and clear writing on wet paper
• Cold resistant ink that will not freeze in temperatures as low as – 20 degree celsius

• Type: Retractable
• Nib: 1.0mm
• Ink Colour: Red