These round, compressed charcoal sticks are used to make even, smooth, dark black strokes. There are an almost unlimited number of applications to use charcoal with: sketching, drafting, painting and in combination with colored pastels. Fantastic results can be achieved by dissolving the charcoal particles in water. This assorted set has one stick each of soft, medium and hard charcoal densities.Details:Includes soft, medium and hard charcoal8 mm diameter12 sets (3 pieces per set, 36 total pieces)Creates strokes that are uniform in depthOil basedStrokes can be smudged for fantastic results