The 6-piece Be Unique, Be Brave, Be Yourself set of Pitt Artist Pens includes two (2) superfine 0.3 mm nibs in black 199 and cobalt green 156; and four (4) brush nibs in light yellow glaze 104, pink madder lake 129, cobalt turquoise 154 and light phthalo green 162. 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. The brush nibs are ideal for drawing wide strokes and the superfine nibs create crisp, thin lines for outlining designs and adding detailed accents. Developed with professional hand lettering artists and ideal for creative letterings and letter art.