Product Description Capture the details with the superior precision of Vision rollerball pens. The exclusive Uni-Flow Ink System lays down delightfully smooth, clean lines with archival quality ink that stands the test of time. Capped rollerball needle pens deliver smooth flowing ink, allowing you to create concise and flawless documents with vibrant lines in a rich hue uni-Flow Ink System ensures a consistent, delightfully fluid writing experience A visible ink supply window indicates the level of ink, so you dont run out unexpectedly; durable metal clip ensures that your favorite roller pen is always at hand This everyday liquid ink rollerball pen combines solid writing, vivid lines and a classic design with colorful accents