- STEIN stands for "Strongest Technology by Enhanced SiO2 Integrated Network".
- Each container contains 40 pieces of lead.
- The Pentel Stein Enhanced Silica Pencil Lead features a reinforced silica core that makes the Stein Pentel's smoothest, strongest, sharpest pencil lead yet!
- The lead is also designed to be smear resistant, allowing you to have beautiful, clear writing and smudge free hands (great for left-handed people).
- Product length : 2.4 inches.