Uni Uniball Zento Refill 0.5mm 0.38mm Clear Lines Anti-bleeding UBRZ05 UBRZ38

The writing is smooth and the handwriting is clear. The ultra-fine pen tip is equipped with an anti-seepage ink design. It will not smudge or seep through the paper, allowing notes, drawings or fine writing to be presented neatly.

Applicable to Zento series pens, with two thicknesses to choose from, it meets the needs of daily writing and detail drawing. It is an ideal choice for those who seek pen feel and precise lines.