Here, Faber-Castell has combined all the advantages of artist's inks with the benefits of a modern, easy-to-use pen - the Pitt Artist Pen. It's ideal for sketches, drawings, layouts, fashion design, and illustration.Details:Includes 4 piecesPigmented India inkHigh lightfastnessWaterproof, permanentOdorless, acid-free, pH neutralDoes not bleed through paperContents:Bullet nib 1.5 mm"B" brush tip"C" Calligraphy nib color 101 white"S" 0.3 mm color 199 black