Graphite B leads Koh-i-Noor 0.5 mm

• Graphite leads for mechanical pencils, break-resistant.
• Easy to refill.
• 12 fine leads for all common mechanical pencils.
• Intense black lines
• Clean and simple refill with practical refill attachment.
• Hardness grade: B.
• Line width: 0.5 mm.

Brand: Koh-i-Noor.