AIN STEIN LEAD REFILLS // 0.5 MM

Leads to refill any mechanical pencil with a 0.5 mm tip. 

• 40 leads per tube
• Thickness: 0.5mm 
  
• Hardness: HB
• About 10% stronger than existing Pentel leads thanks to a ceramic cell structure
• Smoother than other refill leads on the market

Available in 0.3 mm, 0.5 mm and 0.7 mm thickness.