Uni Fine Line Mechanical Pencil Leads – HB Grade

SKU MI-UL1403-HB Category Tag

Key Features

  • Hardness Grade: HB – ideal balance between hardness and darkness.

  • Smooth Writing Experience: High-quality graphite formulation for consistent, skip-free lines.

  • Break-Resistant: Engineered for durability to reduce breakage during use.

  • Clean Erasing: Leaves minimal residue, ensuring neat corrections.

  • Versatile Use: Suitable for technical drawings, note-taking, and artistic applications.

Product description

The Uni Fine Line Mechanical Pencil Leads are precision-engineered for smooth writing and drawing. Manufactured by Mitsubishi Pencil Co., Ltd. (Uni), these leads offer consistent performance and durability, making them ideal for students, professionals, and artists.​

Available Variants

  • UL1403: 0.3mm HB – For ultra-fine lines and detailed work.

  • UL1405: 0.5mm HB – Standard size for general writing and drawing.

  • UL1407: 0.7mm HB – Thicker lead for bolder lines and durability.​

Specifications

  • Brand: Uni (Mitsubishi Pencil Co., Ltd.)

  • Lead Diameter: 0.3mm / 0.5mm / 0.7mm

  • Hardness Grade: HB

  • Leads per Tube: Typically 12 leads per tube

  • Material: High-quality graphite

  • Compatibility: Fits standard mechanical pencils of corresponding sizes

  • Country of Origin: Japan​