Core is a real eye catcher for cutting-edge kids who aren’t quite ready
to use a regular fountain pen or have outgrown a simple roller ball.
Every core is available as a fountain pen and a roller ball. There are
two different nibs of the core fountain pen: narrow and broad. The
Core fountain pen features an integrated spare tank that gives you an
extra half hour of writing time.Right-handed? Left-handed? The core fountain pen’s low writing axis
doesn’t force you to adopt a certain grip. Instead, it adapts itself to
every individual.For
tracing paper, vellum drawing paper and lineboard. The rapidograph uses
rotring’s unique capillary cartridge. The pressure-equalization system,
including ink helix is part of the ink cartridge which ensures that
every time you change the cartridge, you get a clean new ink helix. This
means that you never need to clean the ink helix and top reliability is
guaranteed.
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