These Pentel AIN Hi-Polymer Lead Refills are perfect for keeping your mechanical pencil going. Each AIN lead is break-resistant and specially formulated to be 50% stronger than standard Pentel Hi-Polymer leads.

• These lead refills have an HB lead grade.
• You can use them in your mechanical pencil that takes 0.5 mm leads.
• AIN leads are 50% stronger than standard Pentel Hi-Polymer leads so you don’t have to worry about breakage as you work.
• The unique dispenser allows you to refill your pencil without touching the leads.
• Each container contains 40 leads.
• The refill container is made using 92% recycled materials.