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.
The precision ink pen with the innovative refillable capillary cartridge system
For tracing paper, vellum drawing paper and lineboard
Features a crafted stainless steel nib
Color coded barrel indicates line width
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This item: Rotring Rapidograph 0.25mm Technical Drawing Pen (S0194270)$20.00