HB graphite pencils. 2.2 mm lead. Hexagonal shape. The HB graduation is a medium graphite hardness, recommended for writing and drawing. The lead offers a uniform line and is resistant to breakage, thanks to the LPS (Lead Protection System) that protects the lead thanks to its adhesion with the wood. Wood from sustainable plantations, 100% FSC® (Forest Stewardship Council) certified. Pencil measurements: 17.5 cm x 0.7 cm.