With the versatility to create powerful lines to subtle gradients, these charcoal blocks combine the natural qualities of charcoal with the strength and body of a chunky block. Soft meets strong, while agile meets bold, and the balanced blend of rich tones and organic marks. There are soft yet strong, agile, bold and offer a balanced blend of rich tones and organic marks. Each XL stick measures 20mm x 20mm x 60mm (0.787 x 0.787 x 2.36); great for broad strokes or making other various marks with the edges. Brand: Derwent