Here at Stapleswe are proud to supply a range of Writingequipment, including Gel Pens, Ballpoint Pens and Rollerball Pens, all available today on next day delivery. You can measure your ink usage through the visible window of the jumbo ink tank. Don't be afraid though this free-flowing ink is intelligent, the V5 contains an ink flow controller to ensure a consistent ink supply is used. In every pencil case or pen pot there should be a Pilot V5 liquid ink pen, perfect for smooth and easy everyday writing tasks. The extra fine 0.5mm nib writes at 0.3mm which is ultra slim so perfect for neat and precise handwriting or even drawing. The pure liquid ink in the pen is dense and long lasting, so perfect for people who really care about the quality of their pen.