Rotring Rapidograph 0.13mm Technical Drawing Pen (S0203070)

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 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. More »