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Average Customer Review
 5.0 (1 customer reviews)
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2 out of 2 people found the following review helpful
  If you want super thin..., February 14, 2013
By bil...
If you want super thin lines this is the pen for you (and me). My workhorse for doodling and detail work. Not so good for sketching because of the scratchiness of the needle-like point, though with the right paper you could make sketches happen. The strength of this pen is the cartridge system which gives a nice consistent flow of ink once you get it going. The biggest weaknesses are the cap and body which are plastic and will not hold up to abuse - like keeping it in your back pocket and sitting on it. The barrel is hollow so it will crack if over-tightened. The clip on the cap will come off with repeated use (I superglued mine back on).

This is a pen that requires some care: if you allow the ink to dry out then the point will clog permanently(I have tried using the various cleaning kits/solutions on my dried out points with no results). The good news is that if you draw everyday with it and flush it with water after every cartridge change it will reward you with about 1 - 2 years of faithful steady service. Make sure the cap is screwed on tight after every use - it has a tendency to come loose at the wrong moments.

Don't bother with the Koh-i-noor 0.13 mm (or even the 0.25 mm) - their ink delivery system is terrible resulting in poor/no flow and the tip is even scratchier than the Rotring. This is the best 0.13 mm pen. Ever.