Koh-i-noor Rapidosketch Technical Pen Set, 0.50mm Nib, Stainless

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Rapidosketch Technical Pen With Ink Bottle Size 1 0.50mm Line Width 3265bx.01n

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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.

Rotring Rapidograph Technical Drawing Pen - 0.20mm

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Vintage Rapidograph Pen, Size 0 .35, 3165, New in Package