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Cardboard tube of 15 black 0.9 mm HB leads, 60 mm long

Pentel of America, Ltd.

Pentel of America, Ltd. 509HB 0.9mm HB Lead Refills, 15 Pack

SKU CH-629R-GG66N MPN 509HB

0.9 mm HB lead refills, 15 per pack, guaranteed to scan on standardised tests

  • Product typeMarkers
  • Key featuresGuaranteed to scan for tests.
  • Product colorBlack
  • Guaranteed to scan on standardised tests with HB darkness
  • 15 leads per tube keep you supplied longer
  • 9 mm diameter fits compatible mechanical pencils
  • Patented Super Hi-Polymer formula resists breakage
  • 60 mm length works with automatic and mechanical pencils

Lead Refills for Mechanical Pencils

These 0.9 mm HB lead refills fit automatic and mechanical pencils that accept the same diameter. The pack contains 15 black leads, each 60 mm long, suited for students and professionals who write or draw daily.

15 Leaves Room for Extended Use

Fifteen leads give weeks of typical writing before a new tube is needed. The HB grade matches a No. 2 pencil for darkness and is guaranteed to scan on standardized tests. Heavy sketching or constant drafting will consume the supply faster than light note-taking.

Tube Format Keeps Leads Organised

The rigid tube protects the 0.9 mm sticks from snapping inside a bag or desk drawer. Proprietary Hi-Polymer formulation reduces breakage during use and delivers a smooth, dark line. No special pencil brand is required beyond compatibility with 0.9 mm lead.

How it compares

Measured against everything we stock in Pens, Pencils & Felt-Tip Markers, at today’s prices. Recalculated every night.

Price $8.99
Cheaper than about 82% of the 2,692 comparable items (median $13.99).

Specifications

Product
Brand namePentel
Model name50-9-HB
Product typeMarkers
Product colorBlack
Size & build
Shipping weight0.01 kg
Package size66 × 8 × 8 mm

Questions about this item

Will the 0.9 mm HB leads fit my older 0.9 mm mechanical pencil?

Yes, the 0.9 mm diameter matches standard 0.9 mm mechanical pencils so they will feed and advance correctly.

How can I confirm the leads scan properly on a test sheet?

Fill in a sample answer bubble and run it through the scanner; the HB grade is guaranteed to read as a No. 2 pencil mark.

Does the pack include a pencil or just the 15 leads in the tube?

Only the 15 HB leads in a tube are included; a compatible 0.9 mm mechanical pencil must be purchased separately.

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