For artists, round, smudge-proof and waterproof oil chalk refill, break-resistant lead with 3.8 mm diameter, soft and colour-rich stroke, length: 176 mm, includes: 36 pens -110036 assorted in the colours white, straw yellow, light yellow, cadmium yellow, dark chrome, cadmium orange, dark cadmium orange, dark cadmium orange, geranium red, scarlet red. Deep & Cadm ium red medium, dark red, carmine rose, magenta, purple pink medium, mauve, indigo dark, helio blue reddish, ultramarine, ultra-marine light, phthalo blue, cobalt turquoise, cobalt green, dark phthalo green, emerald green, light green, foliage green, green earth yellowish, pompejan red, venetian red, ochre fired, Napel yellow dark, Bra natural, walnut off-brown, warm grey V, warm grey II, black