Koh-I-Noor Progresso Woodless Coloured pencils - Standard Silver are premium quality coloured pencils ideal for drawing, illustration, colouring, sketching, arts, graphics, etc. Suitable for creating graphic arts, expressing your artistic abilities and precise colouring as well.Each pencil is a solid colour lead stick encased in lacquer, 7.6 mm thick, with a 7 mm lead (3.5 times more lead than Polycolor Pencils) and 153 mm long.