Rembrandt Lyra specialist drawing and sketching pencils are fine art pencils made with oxides and clay combined with either plant-based, natural binders or oil-based binders and waxes resulting in Dry or Oil pencils. Ideal for shading, highlighting and sketching portraits, life drawings and landscapes. Their core is compact with a diameter of 5mm to give wide and rich lines. The round casing is made of natural lacquered Mexican wood that is easy to sharpen and ensures simple and precise use.