These extra smooth, high quality blocks are excellent for drawing and sketching. The blocks glide smoothly and lend themselves to bold, expressive drawing and to large-scale work. Ideal for use on newsprint, Bristol, colored paper or heavily textured surfaces. Artistic artificial charcoals burnt in the lead shape of square 7x7x75mm. Suitable for black and white artistic drawing that needs to be stabilized by a suitable fixing agent after the work is finished. Variants - charcoal, graphite 2B/4B/6B, sepia