If you've ever worked in pen and ink before, you know how important it is to have a high quality pen. The Koh-I-Noor Rapidograph technical pen is a legendary art tool that produces consistent lines for fine illustrations and drawing. The Rotring Rapidograph pen is also a quality and versatile technical pen with a disposable ink cartridge.
Wondering how to clean your Koh-I-Noor Rapidograph technical pen? It is a very easy process; just follow these simple steps and you'll have your pen working like new!
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