Pentel Premium Hi-Polymer Lead refill has leads to offer smooth uniform writing and produce smooth/dark lines with reduce smearing. Each lead strand will last as long as a #2 wood pencil. For use with most refillable automatic pencils and Pentel mechanical pencils. Pencil Lead Format: Tube; Lead Diameter: 0.5 mm; Lead Degree (Hardness): HB; Lead Color: Black.

Features

• Each lead strand will last as long as a #2 wood pencil.
• Produces smooth, dark lines.
• For use with most refillable automatic pencils and Pentel mechanical pencils.
• Won't damage paper.
• Reduced breakage.