German made, Monteverde USA® Ceramic rollerball refills fit most of the World’s finest rollerball pens. We offer a variety of ink colors to add new technology, fun, and function to your writing style. Use different colors for Holiday cards, letters and personal notes. This Monteverde USA® refill offers: - Ultra smooth rollerball ink for comfortable writing - Resin tube with stainless steel tip and tungsten carbide ball - NON-DRY 1 year with cap off. ALSO FITS THESE BRANDS: - Aldo Domani® - Acme® - Aurora® - Bexley® - Bossert & Erhard® - Colibri® - Conklin® - Delta® - Diplomat® - Elysee® - Faber-Castell® - Foray Focus® - Hauser® - Inoxcrom® - Itoya® - Jean Pierre Lepine® - Krone® - Marlen® - Monteverde® - Montegrappa® - Nettuno® - Omas® - Parker® - Pelikan® - Retro 51® - Rotring® - Schmidt® - Schneider® - Stipula® - Visconti® - Yafa® - and many more. Monteverde USA® refills are not manufactured, licensed or endorsed by the pen manufacture referred to above. The trademarks of the pen manufacture are identified only for the purpose of providing refill compatibility information.