Polychromos artists' pencils are valued internationally by professionals and semi-professionals for their unsurpassed quality. The high quality standards of the Polychromos colored pencils shine through, whether they are used for graphics, artistic free style or for the exact rendition of plans. Thick 3.8 mm lead Soft, vibrant color laydown High-quality acid-free pigments in bright colors, unsurpassed lightfastness Water-resistant and smudgeproof High break resistance due to Secural bonding process (SV) 12 pencils in a metal tin