Open Stock sold in boxes of 6 pencils. Albrecht Dürer Artists' Watercolor Pencils are available in 120 colors that are part of a unique color matching system - encompassing all Faber-Castell Art & Graphic products. They contain the highest quality pigments of unsurpassed lightfastness and brilliance, which is rated on each pencil. Thick 3.8mm break-resistant and fully water-soluble leads, can be easily blended when wet and become permanent when dry for rich watercolor effects. Available as individual pencils or in various assorted sets.