This Pilot V Ball Rollerball pen is a comfortable rollerball pen with a fine nib. Writing in pure liquid ink, the Pilot V Ball Rollerball with cone-shaped tip produces a smooth 0.5mm line. The V Ball uses a unique liquid ink formula for snag-free, fluid writing. Perfect for everyday home and office use, this rollerball features a lightweight plastic barrel that ensures easy, tension-free handling. This Pilot Rollerball also has a removable cap with metal clip, and an ink level window to warn you when you are low ink.