The Staedtler Pigment Liner Pen Set is specially designed for writing, sketching and drawing. It has PP barrel that guarantees long service life. Set of 12 - 0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 1.0mm, 1.2mm and a 2.0mm chisel tip.