The companion set includes six indispensable preparation and detail pencils from Austria (3 grades of water-soluble graphite, a Nero pencil, and a white and a black chalk pencils). This will help any artist preparing and adding details to their work.
A water-soluble graphite core in a cedar casing. Available in HB, 4B and 8B to achieve a complete range of tones. Use them wet or dry then brush over with water.