0.9mm and 2.0mm graphite pencils for sketching and drawing. Variety of Graphite and Color Lead Refills: Comes with 6 tube black HB lead refills in 0.5mm, 0.7mm and 0.9mm and 10 tube 2mm of ...

The pencil “lead” is actually a mixture of graphite and clay. More clay in the mixture makes the lead harder. A harder lead has a higher number. Pencils are numbered from 1-3 but most people use a ...

aka leadholders or drafting pencils, it releases the clutch – allowing you to decide exactly how much lead you’d like to ...