The Montblanc Ink of Love Red Ink Cartridges (Pack of 8). Montblanc is well known throughout the world for their excellent creations, and the quality of said creations. Montblanc's inks of love, joy and friendship do not break that cycle. These three inks are high grade and work in almost any writing instrument. They provide for a smooth and gentle finish that gives a perfect result every time. The Montblanc inks of love, joy, and friendship are beautiful, and will make anything being written an explosion of colorful brilliance reminiscent to the vivid colors viewed in a rainbow.