Box of 20 assorted Caran d'Ache Luminance 6901 artists' pencils, the most lightfast permanent colour pencil ever designed. These are the tools of the professional, created with exhibition and collectible artworks in mind.

Two years of technical research has resulted in superior-quality pencils that lay down vibrant, intense colours with a light resistance that complies with the highest international standard (ASTM D6901). The 3.8mm lead has a high pigment concentration and ensures maximum covering power. Outer casing is produced from premium FSC-certified cedar wood.

Set of 20 'portrait' colours contains one each of 212 Chromium Oxide Green, 713 Middle Verdigris, 671 Chrysocolla Blue, 140 Ultramarine, 135 Bleu de Nimes, 649 Indanthrone Blue, 639 Dark Indigo, 575 Carmine Lake, 745 Warm Earth 40%, 044 Terracotta, 068 Herculanum Red, 583 Violet Pink, 094 Hibiscus Pink, 115 Quinacridone Purple, 580 Anthraquinone Carmine, 533 Dark Cadmium Orange, 520 Medium Cadmium Yellow, 523 Indian Yellow, 542 Butternut and 581 Pink White.