This new Monteverde USA® Capless Ceramic Gel™ refill allows you to convert your ballpoint pen into a Capless Rollerball. The Monteverde USA® refill offers: •For the first time ever this refill offers a combination of a ceramic ball with gel ink. •Smooth, comfortable writing •Finest developed inks •Stainless steel tip with ceramic ball •3 year shelf life ALSO FITS THESE BRANDS: - Aldo Domani® - Acme® - Aurora® - Baxley® - 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.