Brand:FINECOLOURAP Non-toxic Water-based ink dries acid-freeGreat fit for artists， hobbyist and crafters.FINECOLOUR painted hook line pen 0.3mm fiber tip is a needle wrapped aqueous metal hook line pen can beused alone with a straightedge and ruler cartoon drawing lines， or with marker pen hook line without penetration infection.Package included:1 set of FINECOLOUR Fine liner pens