Set of 2 black stone pencils HB/2B Conté á Paris Black stone is a unique art material used to create smooth, rich strokes in dark tones. The HB pencil has a medium strength that offers a balance between hardness and softness. It is ideal for drawing precise lines and fine details in your artwork. The 2B pencil, on the other hand, is softer and provides darker, richer tones. It's perfect for creating shading, contrast, and darker areas in your drawings. The smoothness of 2B also allows for easy blending and smearing, resulting in smooth transitions and subtle shading effects. Brand: Conte