Pentel C279-HBO Super Hi-Polymer Lead Refills - 0.9 mm HB - Black - 36 Tubes (540 Leads) - Grey Box

The Pentel C279-HBO Super Hi-Polymer Lead Refills are premium-quality mechanical pencil leads designed for smooth, consistent writing and drawing. With a diameter of 0.9 mm and HB hardness, these leads offer a perfect balance of darkness and durability. Each pack contains 36 tubes, each holding 15 leads, for a total of 540 leads – ideal for heavy use in offices, schools, and creative studios.

Advantages

These leads are made from Pentel's exclusive Super Hi-Polymer formula, which is stronger and more flexible than standard graphite. This results in exceptional break resistance, even under heavy pressure. The leads are also smudge-resistant and easily erasable, ensuring clean work. The HB grade provides a medium-dark line that is suitable for both writing and sketching.

Suitable for

• All 0.9 mm mechanical pencils
• Office professionals requiring reliable, long-lasting leads
• Students for note-taking and exams
• Artists and designers for detailed sketches

Key specifications

• Lead Diameter: 0.9 mm
• Lead Hardness: HB
• Lead Color: Black
• Material: Super Hi-Polymer Graphite
• Quantity per Tube: 15 leads
• Number of Tubes: 36
• Total Leads: 540 leads
• Packaging Type: Box (Bulk Pack)
• Break Resistance: High
• Smudge Resistance: Yes
• Erasability: Yes
• Compatibility: All 0.9mm mechanical pencils
• Series: Super Hi-Polymer
• Lead Grade: Standard
• Smoothness: Excellent
• Darkness: Medium-Dark
• Country of Origin: Japan
• Individual Tube Material: Plastic
• Individual Tube Color: Grey
• Non-Toxic: Yes

Recommendations

For best results, use with Pentel mechanical pencils designed for 0.9 mm leads. Store in a cool, dry place. These leads are non-toxic and safe for all ages.