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Smooth ink flow. Color...
November 12, 2008
Verified Purchase
Smooth ink flow. Color of ink is identical to the color of grip on the UMN-138 RT blue-black pen. This refill is usable in the UMN-138 pen as well.
2 people found this helpful
And old standby and excellent...
December 1, 2015
Verified Purchase
And old standby and excellent color, keep this on hand always!
These are great refills....
February 11, 2011
Verified Purchase
These are great refills. Smooth, solid, and skip-free. They work in the Zebra dirfit jell pens too.
1 person found this helpful
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