Monteverde Gel Refill Blue Fine Point 2 Pack to fit Parker Style Ballpoint Pens This Gel Refill is also fits for Brands such as: - Aldo Domani - Acme - Aurora - Bexley - Bossert & Erhard - Colibri - Conklin - Delta - Diplomat - Elysee - Faber-Castell - Foray Focus - Hauser - Inoxcrom - Itoya - Jean Pierre Lepine - Krone - Marlen - Montegrappa - Monteverde - Nettuno - Omas - Pelikan - Retro 51 - Rotring - Schmidt - Schneider - Stipula - Visconti - Yafa