Description This 50ml glass bottle of Sheaffer Black fountain pen ink is a free-flowing, easy to clean ink that is a good choice for vintage and older pens that may be at higher risk of clogging, as well as modern pens of course. The bottle has a wide mouth and a broad base to prevent the bottle from tipping over when filling your pen. Sheaffer Black ink is a deep, rich shade of black, and will ensure a long write life and a smooth flow of ink to paper. Having trouble deciding between colors? Use our Ink Comparison Tool to quickly and easily view different colors side by side.