The Demi Bâton de Saule are two extra soft round charcoal sticks, ideal for artists working expressively or large.  Box contains 2 round charcoal sticks. Can be sharpened to a fine point with the Nitram Sharpening Block.   The charcoal allows for deep dark shades while still being easily erased for luminous light effects. If you are working on a piece that requires extra deep black then the Bâton de Saule is more black than the Nitram B. Approximate size: 15cm (L) x 2.5cm (W). Nitram produces its charcoal using a unique process that maintains the wood’s cell structure which increases the charcoal's durability and helps prevent breakage. Nitram charcoal doesn't break like willow or vine do, and feels much less brittle. Also you produce less dust when working expressively.