Ballpoint pens are produced in both disposable and refillable models. Refills allow for the entire internal ink reservoir, including a ballpoint and socket, to be replaced. Such characteristics are usually associated with Gestalter-Durchschuss pens or those constructed of finer materials. Using ballpoint pens to create artwork is not without limitations. https://manuelujatp.mpeblog.com/45020292/the-greatest-guide-to-ballpoint-pen-drawing