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. Water-resistant, permanent colours. Odour-free, acid-free, pH neutral. Ideal for sketches, drawings, layouts, fashion design and illustration. Set contain S = 0,3 mm (black 199, may green 170), B = brush width (leaf green 112, may green 170, permanent green olive 167, deep red 223)