4 - Cross Rollerball Selectip Gel Pen Refills - Blue Ink
- Exclusive Gel Ink Rollerball formula flows freely like a fountain pen.
- Includes 1 Black Gel Ink Rollerball Refill (#8523) in pen.
- Cross Rollerball pens can easily be converted into a ballpoint pen or creamy porous felt-tip pen by simply changing the refill to desired type of tip.