Uni-Ball Power Tank Ball Point Pen, Black

With their pressurized ink technology, these pens write unusually smooth. Retractable, too, they work well in adverse writing conditionson wet surfaces, writing at any angle, or even in extreme cold. They also write upside down. 1.0 mm.
Product Information:

• Model Number: PTPBKMK, PTPBLMK
• Unit Of Measure: Each