The Derwent Studio 24 Pencil Set #32197. These pencils have a slim hexagonal barrel, 6.9mm in diameter, with a narrow colour strip allowing extra controlfor fine detailed work. The range is available in 72 colours which are all highly pigmented for maximum colour purity. If you prefer to work with a pencil which gives you more freedom of expression try our Artists range which has the same strip content as the Studio pencil so they can be used together to great effect. Comes in a tin case. Set of 36 - Includes the same colors in the Set of 24, plus Straw Yellow, Scarlet Lake, Flesh Pink, Magenta, Dark Violet, Blue Violet Lake, Ultramarine, Jade Green, Cedar Green, Bronze, Vandyke Brown, and Raw Sienna.