Monteverde International Standard Fountain Pen Ink Cartridges, Fireopal

Monteverde USA is proud to have created the world's latest leading European ink treatment formula (ITF). Enjoy peak performance with ITF which drastically improves ink-flow quality, extends cap-off time, and lubricates and protects the ink feeding systems from corrosion and clogging. Our inks are available in a variety of vibrant colors. These are "International Standard Size" ink cartridges and will fit a wide variety of pens. These will not work in brands that use a proprietary cartridge like, Cross, Parker, Waterman and Pilot to name a few Measure: 1.5 Inches