Schmidt 5888 Rollerball Pen Refill, Blue BroadSchmidt 5888 rollerball refill in blue broad point (1.0 mm). High quality German manufacturing with metal barrel and ceramic tip for smooth writing. For more than 50 years, Schmidt has made refills for most of the high quality European pen manufacturers. For all rollerball pens using the international size refill, 4-3/8 long (110.6 mm). Made in Germany.Partial list of brands:Acme, Aurora, Bexley, Bossert & Erhard, Caran dAche, Colebri, Conklin, Conway Stewart, Delta, Diplomat, Faber-Castell, Itoya, Jean-Pierre Lepine, Marlin, Montegrappa, Monteverde, Pentel, Regal, Retro 51, Recife, Rosetta, Rotring, Stipula, Visconti, Waterford, Yafa, Yard-O-Lead and any other brand using the European 4.39 long (110.6 mm) rollerball refill.