Faber-Castells Pitt Graphite range provides artists with an extensive array of pencils and crayons at different grades of hardness for sketching, graphic design and shading work. Ideal for creating contrasts and large-scale shading, Pitt charcoal sticks provide a wide spectrum of effects that vary with hardness level and the amount of pressure applied, offering unparalleled possibilities for spontaneous expression. A very economical medium for working on large sketches. Diameter: 3-6mm