Faber-Castell 121799 Super-Polymer Lead Refill, 0.5 mm, HB, Black

The Faber-Castell Super-Polymer lead refill is a high-quality accessory designed for 0.5 mm mechanical pencils. These leads are engineered with advanced polymer technology to provide a smooth writing experience while maintaining exceptional break resistance. The HB hardness grade ensures a perfect balance between darkness and durability, making them suitable for a wide range of applications from technical drafting to daily note-taking.

Advantages

These leads stand out due to their superior structural integrity, which significantly reduces the frequency of breakage during use. The deep black pigment provides high-contrast, intense lines that are easy to read and scan. Furthermore, the inclusion of a specialized filling aid allows for a clean and efficient replacement process, preventing lead dust from getting on your hands or workspace. The consistent line width ensures that your writing or drawing remains uniform throughout the entire length of the lead.

Suitable for

• Technical drawing and architectural drafting
• Everyday writing and note-taking for students
• Detailed sketching and illustration
• Office tasks requiring precise line work

These leads may not be suitable for users who require a very soft, dark lead for artistic shading, such as 2B or 4B grades, as the HB hardness is designed for precision rather than broad, soft strokes. Additionally, they are specifically calibrated for 0.5 mm mechanical pencils and will not fit in pencils designed for other lead diameters.

Key specifications

• Lead diameter: 0.5 mm
• Hardness grade: HB
• Color: Black
• Break resistance: High
• Quantity: 12 leads per container
• Compatibility: Standard 0.5 mm mechanical pencils

To use these refills, simply remove the cap or the internal mechanism of your compatible 0.5 mm mechanical pencil. Insert the lead into the storage chamber using the provided filling aid to ensure a smooth transfer. Avoid overfilling the pencil to prevent jamming, and ensure the lead is fully seated before beginning your writing or drawing task.

What to consider before purchase

• Verify that your mechanical pencil is compatible with 0.5 mm leads
• Consider the HB hardness grade for your specific writing pressure and paper type
• Check the quantity needed for your regular usage frequency

For the best results, always store your lead refills in a cool, dry place to maintain their structural integrity and prevent moisture from affecting the polymer composition.