General Pencil Co. Charcoal Pencil - These pencils make charcoal drawing much neater and cleaner! Wood wrapped, high quality charcoal that can easily be sharpened for detail work. Smooth and blendable! These pencils are available in 4 degrees of hardness, 2B, 4B, 6B, HB and 2H. White charcoal pencils are also available. These pencils are available individually or in boxes of 12.