Very smooth, although it is a micro point-Uni-ball Signo RT1 Rubber Grip & Click Retractable Micro & Extra Fine Point Gel Pens -0.38mm-black Ink-value Set of 5 (With Our Shop Original Product Description)

Uni Signo RT1 Gel Ballpoint Pen Black Ink Refills, 0.38mm, Set of 4

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Product Review

Refill for Uni-ball Signo RT1 UMN-155-38, Uni-ball Signo RT1 UMN-155C-38
Ink color: Black
The diameter of tip: 0.38 mm. extra-fine type.

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Very smooth, although it is a micro point-Uni-ball Signo RT1 Rubber Grip & Click Retractable Micro & Extra Fine Point Gel Pens -0.38mm-black Ink-value Set of 5 (With Our Shop Original Product Description)