These Charcoal Pencils are made from superior grade charcoal and have a solid weighty feel. Use the charcoal pencil on an angle for broad strokes of with the sharpened point for fine details. They are great for adding details to charcoal illustrations. Create highlights with a kneadable eraser. To sharpen use a regular sharpener, sandpaper block or blade. This pack of 6 Woodless Graphite Pencils comes with 6 grades of graphite - HB, 2B, 4B, 6B, 8B and EE which is 50% graphite and 50% charcoal.