Pentel AIN STEIN 0.5mm Pencil Lead Refills

STEIN stands for "Strongest Technology by Enhanced SiO2 Integrated Network" so you know it means business. The smear-resistant lead resists you write smudge-free and fits into any 0.5 mm mechanical pencil of your choice. 

Each pack contains 15 pieces of 0.5mm lead.

Choose from 2B, B, or HB hardness.