This pencil set from Staedtler will come in handy for your drawing and sketching projects. The pencils have a special lead formulation to produce jet black results, and also makes them break resistant. You can use the included pencils in assorted degrees for light and dark shading purposes. Details: Black 3.6 mm lead diameter 10 packs (6 pencils per pack, 60 total pencils) Break-resistant Comes in a metal tin Wood and lead AP certified Conforms to ASTM D-4236 Contents: 8B pencil 7B pencil 6B pencil 4B pencil 2B pencil HB pencil