Ain Stein’s innovative formula uses porous ceramic cell structure while providing the same darkness and smoothness. Features twist open top. Lead never needs sharpening and produces a clear, dark line. Ideal for all general writing applications such as notes, letters, etc. 40 refill lead per tube. Each 60mm piece of lead is equivalent to a wood case pencil. HB lead is equivalent to a #2 pencil, guaranteed to scan on tests, resists breaking and never needs sharpening. Part of Pentel’s exclusive Recycology™ line of recycled products. Over 50% of the materials used to create these products were recycled materials. Package of 40. Blue.