fine graphite leads 0,5-60 4152 HB

High-quality polymer micro lead, hardness degree B, F, H, 2B, 2H, 3H, 4H, HB, with a diameter of 0,5 mm. Suitable for all types of mechanical pencils. Leads are characterized by rich black mark. They are particularly suitable for technical and fine drawing. Moreover, they are widely used by crossworders.