Koh-I-Noor 8971 Woodless Extra Thick Professional Graphite Stick 2B made from the finest Hardtmuth Graphite, Exceptional Artist Quality Graphite Pencils. Ideal for sketching, drawing, illustrating, arts, graphics, hatching and writing in schools & offices. Extremely Smooth, Highly Opaque, Lightfast, high breaking strength and are easy to erase.