WHAT DOES ROLLERBALL PEN MEAN?

Rollerball pens ordinarily make broader lines than gel and ballpoint pens of the exact same suggestion size. This is because liquid inks soak into paper and unfold out over oil- or gel-based inks. The Zebra Pen file-301 developed fainter strains than other ballpoints, and its ribbed plastic grip was uncomfortable to carry. in contrast to our othe