DOMS - The pencil lead is actually a mixture of Graphite and
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Very Fine Metal Mechanical Pencil 0.3 0.5 0.7 0.9mm HB or 2B refill Each Pen comes with 30 pencil leads
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What Is Pencil Lead Really Made Of?
What Is Pencil Lead Really Made Of?
What Is Pencil Lead Really Made Of?
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