You are guaranteed quality with a Specialist Crafts branded fineliner pen. These Spectrum Fineliners contain non-toxic and xylene-free; black; water-based ink. They are quick drying and the extra fine 0.4mm fibre tip is encased in metal for protection; ensuring the pen lasts even when used with a ruler for technical drawing! Ideal for general graphics work; try these fineliners for yourself; test out the quality and be impressed by the value. Black Pack of 12.