FeaturesIncludes six pens in assorted line widthsLong metal tipIdeal with rulers and templatesInk is indelible, lightfast and waterproofCap off time up to 18 hoursIdeal for writing, sketching and drawing, the Staedtler Pigment 308 Liner Assorted Width Pens (Pack of 6) features a long metal tip, great for use with rulers and templates. The pigment ink is indelible, lightfast and waterproof, and the pen has a cap off time of up to 18 hours. This set contains 6 pens with black ink and assorted line widths (0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.5mm and 0.8mm).