Tucknest Ink Cartridges, Fountain Pen Ink Cartridges, Short Ink Cartridges, 50 Pack Universal Pen Ink Refills for Smooth Writing, 0.045 fl oz Each

A pack of 50 short ink cartridges compatible with most universal fountain pens, each filled with 0.045 fluid ounces (1.3ml) of fluid ink for a total of 2.25 fluid ounces (about 67ml). These pen ink refills feature smooth-flowing, non-clogging particles that start writing within seconds after insertion. The compact barrel design makes them easy to carry and store. Whether you need ink for writing at home, in the office, or on the go, these standard cartridges provide a clean, mess-free refill experience.