Faber-Castell has combined all the advantages of artist's inks with the benefits of a modern, easy-to-use disposable pen. The PITT artist pen is water resistant, ph neutral, odour free and acid free. The pigmented and very lightfast drawing ink is ideal for sketches, drawings, layouts, fashion design and illustration. 4 line widths in case: S = 0.3 mm, F = 0.5 mm, M = 0.7 mm, B = brush width.