Polychromos artists' pencils are valued internationally by professionals and semi-professionals for their unsurpassed quality. The high-quality standards of the Polychromos coloured pencils shine through, whether they are used for graphics, artistic free style, or for the exact rendition of plans. The thick 3.8 mm oil-based leads are designed for smooth, buttery application and vibrant layering without waxy bloom. Features a secure bonding (SV) process that strengthens the core throughout the shaft, resulting in excellent break resistance and sharp point retention.Water-resistant, smudge-proof, and fade-resistant—perfect for long-lasting artwork