B 0.3mm AinStein Pentel leads

• Approximately 10% stronger than any other lead thanks to its ceramic cell structure.
• Supplied in tubes with rotating cap easy to dispense.
• Softer than other refill leads on the market.
• Suitable for all 0.7 mm mechanical pencils.
• Available in HB grade . 40 mines per tube. Made with 92% recycled material.
• The percentage is based on the total weight of the product excluding replacement leads.