This Bahco Mechanical Carpenters HB Pencil has a wide, strong lead that holds perfectly against rough materials, and requires no sharpening. The angled, shaped tip is perfect for precision marking when a square is used. All contained within a high-impact ABS body that is strategically crafted in a rectangular shape to avoid rolling. Replaceable lead that lasts up to 3x longer than average pencils. Comes with 3 replacement leads.