Conte a’ Paris Pastel Pencils - Prussian Green - Lead Diameter - 5 MM is a perfect companion to soft & extra soft pastels. It has Slightly harder lead, with lesser pigment, allows for a larger variety in mark making & helps in adding a new dimension to any pastel artwork. Thicker lead diameter gives genuine freedom of creation and has an unrivalled feel. The leads are smooth & have fine & rich pigments.