Holbein Artists' Colored Pencils are a range of superbly pigmented, premium-quality pencils featuring soft, oil-based 3.8 mm cores. Ideal for blending, layering, and creating subtle color gradations, they boast a smooth, lush application and are suitable for a wide range of drawing and illustration techniques. - Holbein Artists' Colored Pencil - Black, OP510Holbein Colored Pencils, BLACK -