Smoother and stronger than the competition. Proprietary lead formula resists breaking. Dark imprint is ideal for drawing, while light imprint is ideal for drafting and template work. HB lead is equivalent to a #2 pencil and is guaranteed to accurately scan on tests and documents. Value Pack—Stock up and save! Pencil Lead Format: Tube; Lead Diameter: 0.5 mm; 0.7mm; Lead Degree (Hardness): HB; Lead Color: Black.