rOtring

Rotring is a German maker of writing instruments and technical drawing tools. Their fountain pens take a standard international ink cartridge or converter, while their rapidograph pens take a proprietary ink catridge. Their ballpoint pens take their own branded Parker style G2 or D1 refills, while their rollerball pens take their own branded plastic or metal standard ceramic or capless rollerball refills. Any G2, D1, standard ceramic rollerball (RB), or Schmidt 8126 capless rollerball should fit their pens.

Manufacturer’s Website: rOtring