High-quality replacement lead refills designed for use with clutch mechanical pencils and lead holders.

This pack includes 6,  5.5 mm size HB grade graphite lead sticks.

• Diameter: 5.5mm (frequently cross-compatible with 5.6mm clutch pencil systems).
  
• Hardness Grade: HB (balanced darkness and durability for everyday writing, sketching, and marking).
  
• Quantity: 6 pieces packaged together in a protective plastic storage tube.
  
• Origin: Manufactured in the Czech Republic by E+M, a German brand known for traditional turning-machine wooden and mechanical writing instruments.
  
• Compatibility: Engineered for wide compatibility with E+M clutch pencils (such as the popular E+M Workman series) as well as generic 5.5mm/5.6mm lead holders used in drafting, carpentry, and art