Waterman Ballpoint Refill Fine - BlackEnsure that your Waterman rollerball pen is always ready when you need it with this rollerball refills. To replace, simply unscrew your Waterman pen, remove the empty cartridge and reassemble the body. The ink in this high quality refill is smooth flowing and expressive. Waterman rollerball pens unite the tradition of liquid ink with the ultimate comfort and convenience of a ballpoint pen. Features Ink refills for Waterman Ballpoint pens Bold, black