Faber-Castell 4 Pitt Artist Pens Comic Gray Tones Developed in collaboration with professional cartoonists < p> 4-piece set consisting of 4 Pitt Artist Pen markers in gray colours, with brush tip B colours: 230 cold gray I, 233 cold gray IV, 272 warm gray III, 273 warm gray IV Pigmented Chinese ink Maximum resistance to the action of the light Water resistant, permanent Inodora, without acid, neutral pH Ideal for drawing outlines in comics Available independently and in different types of cases The ink drawings have a great artistic tradition. They have always been an interesting medium for artists and graphic designers, since they offer expression and durability to the drawings and can be combined with other drawing techniques. Faber-Castell has combined the advantages of ink for artists with the benefits of a modern and easy-to-use pen.. Super light-resistant pigmented ink is ideal for sketches, drawings, layouts, fashion design and illustration.