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Mechanical Pencil Refills

HB (Hard Black) High Polymer Lead refill for Ob Mechanical Pencils.

12 Pieces.

Available in 0.5mm or 0.7mm lead thickness. 

HB Leads give a good balance of Polymer to Graphite and offer a dark marking line that is still hard enough to keep a sharp point while offering a smooth writing or drawing experience.

Mechanical Pencil Refills

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