Mechanical pencil leads Lyra 0.5 mm HB pack of 12

Pack of 12 Lyra mechanical pencil leads, 0.5 mm diameter, hardness HB. These graphite refills are designed for general writing, sketching and technical drawing and are compatible with standard 0.5 mm mechanical pencils. The HB grade produces medium-density strokes suitable for everyday use in school, office and design tasks while offering reliable break resistance for routine handling.

Advantages

Lyra 0.5 mm HB leads combine balanced darkness and hardness for clear, legible lines without excessive smudging. The pack of 12 provides a convenient supply for regular users and reduces the need for frequent repurchasing. The leads are manufactured to consistent diameter and hardness tolerances to ensure smooth feed and predictable performance in compatible mechanical pencils.

Suitable for

• Everyday handwriting and note-taking
• School assignments and student use
• Technical sketches and preliminary drawings
• Office forms, annotations and proofreading

Key specifications

• Lead diameter: 0.5 mm
• Hardness: HB (medium)
• Quantity: 12 leads per pack
• Material: graphite core

How to use

Insert a lead into a compatible 0.5 mm mechanical pencil according to the pencil manufacturer’s instructions. Advance the lead in short increments to prevent jamming and apply moderate pressure while writing to avoid breakage. Replace the lead when line quality decreases or the point becomes too short for comfortable use. Store the pack in a dry place to protect the leads from damage.

Usage recommendations

For best results, use the Lyra 0.5 mm HB leads with mechanical pencils designed for 0.5 mm refills and avoid pressing excessively hard; suitable for a range of everyday and technical tasks where medium-density, reliably break-resistant lines are required.