Derwent Tinted Charcoal Pencils, 4mm Core, Metal Tin, 24 Count (2301691) Get the traditional effect of charcoal with more control and less mess Charcoal particles are mixed with the finest clays and wood encased Cedar barrels contain flexible charcoal of the highest quality for scratch-free marks Tinted pencils extend creative possibilities Set of 24 colors smudge and blend beautifully for deep, rich tones