SCH8126P  Schmidt® P8126 Short Capless Rollerball Refill, Blue, Fine. Fits most roller balls using short style capless refills including Bexley, Cartier, Delta, Marlen, Monteverde, OMAS, Pelikan, Retro 51, Visconti and others. Measures 97mm (3.8 inches), 6mm dia (0.26 inches)

MVG23RD  Monteverde USA® Ceramic Rollerball (888), Red, Medium. Same as Schmidt 888. Fits most roller balls using standard style RB refills including Acme, Aurora, Bexley, Bossert & Erhard, Caran d'Ache, Colibri, Conklin, Conway Stewart, Delta, Monteverde, Pelikan, Retro 51, Rotring, Stipula, Yard-o-Led and others. Measures 110mm long (4.3 inches), 6mm dia (0.24 inches)

MVG22BU  Monteverde USA® Ceramic Rollerball (888), Blue, Fine. Same as Schmidt 888. Fits most roller balls using standard style RB refills including Acme, Aurora, Bexley, Bossert & Erhard, Caran d'Ache, Colibri, Conklin, Conway Stewart, Delta, Monteverde, Pelikan, Retro 51, Rotring, Stipula, Yard-o-Led and others. Measures 110mm long (4.3 inches), 6mm dia (0.24 inches)