Indelible Ink (ISO 12757-2, Blue, Black and Green) Available in 4 ink colours. Product Use: 4 Colours Stylus, 4 Colours Original, 4 Colours Grip, 4 Colours Fluo, 4 Colours Shine, 4 Colours Pro, 4 Colours Grip Pro, 4 Colours Grip Pro, 4 Colours 3+1 HB, 4 Colours Counter Pen.
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