Faber Castel-Polychromos Colored Pencil Set In Metal Tin. 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. This 8-3/8x7-3/8 inch metal tin contains twenty-four polychromos colored pencils. Imported.