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Got this for my Karas...
January 19, 2016
Verified Purchase
Got this for my Karas Retrakt and it writes like a dream. Just glides across the page and leaves a solid line without smearing or bleeding.
Bought this pen several...
August 27, 2015
Verified Purchase
Bought this pen several years ago and still love it. Love the ability to change out the ink cartridge for a finer flow and continue to use the pen.
After trying this 0.5...
March 1, 2012
Verified Purchase
After trying this 0.5 black Gel refill for the Ohto pen it is now my favorite. Until I discovered Jetpens I had been using the Uni-ball 207 0.5 (micro) cartridges (scavenged from 207 RT pen donors) in my Ohto pens. The G-305 produces a slightly darker black than the Uni 207's. Otherwise the performance is similar and the sealed metal cartridge is a plus compared to the plastic 207's. The only reason I would not use these would be cost as you can get a two pack of the Uni 207 Rt's for about $3 vs $5 each for the Ohto Gels.

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