Albrecht Drer pencils contain the highest quality pigments for unsurpassed lightfastness. Color laydown is buttery smooth, and blending is effortless when wet. Color effects become permanent when dry. Pencils are manufactured with extra-thick 3.8mm leads that are break-resistant and fully water soluble. These leads provide sharp, fine lines and superior point retention. Leads are housed in barrels of premium California cedar wood with SV (secure-all) bonding to strengthen the lead and help prevent breakage. Pencils are pre-sharpened. Albrecht Drer Watercolor Pencils are available in 120 brilliant colors that are part of a unique color matching system that encompasses all Faber-Castell art and graphic products. Match the color index numbers of any two Faber-Castell products for color compatibility. Use them with other Faber-Castell pencils and drawing products in mixed media projects.