The Gelly Roll Metallic pen by Sakura is an amazing rollerball pen featuring a reflective metallic ink, available in lots of different colours. The ink is non toxic and archival quality: it doesn't smear, feather or bleed, and it writes on white or black papers alike, on both matt and glassy surfaces. The 1.00 ball writes a 0.4mm line. Perfect for your DIY projects.
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