These Refill Leads fit the complete range of Pentel Mechanical Pencils. The composition of the hi-polymer lead is synthetic resin, graphite, and carbon, which give a very strong and flexible lead.

• Refill leads fit the complete range of Pentel mechanical pencils
• Very strong and flexible hi-polymer graphite and carbon lead
• Each tube contains 12 leads
• Hardness: 5H
• Size: 0.5 mm
• Unit: Tube of 12