Black shaft indicates permanent ink, grey shaft indicates water-soluble ink. Comparisons prove: Black STABILO ink looks stronger, even on weak projections. Non-slip grip zone and practical clip Available in 3 line widths – Superfine, Fine, Medium. Cap-off time of up to 3 days Ventilated cap Waterproof ink Superfine - 0.4mm, Fine - 0.7mm, Medium - 1.0mm Link is for 10 pen's of singular colour .
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