KOH-I-NOOR 7141 ergo permanent markers permanent drawing pens, odorless ink, made on a water basis, metal tip for writing on paper, cardboard and similar materials, does not soak through the paper.
Set of 4 pcs of different line thicknesses: 1.00 Mm; 0.75 Mm; 0.50Mm; 0.25Mm. Black colour. Packaging: plastic case.