The Faber-Castell Pitt Artist Pens Calligraphy Set combines all the advantages of artists inks with the benefits of the modern, easy-to-use pen. The pigmented and very lightfast drawing ink is ideal for sketches, drawings, layouts, fashion design and illustration. With 2.5mm nibs, the pens included are particularly ideal for calligraphy work, helping you hone your lettering skills in high-quality colour.There are four pens included, with white, sanguine, black and blue inks. The ink is waterproof and permanent, and it will not bleed through paper. Pack size: 1.5 x 4.8 x 17.9cm (0.6 x 1.9 x 7.1 inches) Nib size: 2.5mmFour packHigh lightfastnessWaterproof, permanentOdourless, acid-free, pH neutralDoes not bleed through paperIdeal for calligraphy workFaber-Castell Pitt Artist Pens Calligraphy Set 4 Pack