Winsor & Newton Vine Charcoal is of the highest quality and carefully selected for uniformity without imperfections. Specially prepared for artists' use, the wood is correctly baked to produce an even line of consistent intensity. Hard Vine Charcoal is a dark grey charcoal ideal for fine lines, highlights and detail. Use in conjunction with other Winsor & Newton charcoals in this range and Winsor & Newton Fixative.