450 Pcs 0.5 mm Pencil Lead Refills, Break Resistant HB. Model Number: Mines de crayon. Manufacturer Part Number: Mines de crayon. Sturdy & Smooth: 0.5mm lead refill is made of Organic resin, which is sturdy and durable, writing smooth and clear, and the black color not easy to fade, the details it wrote down can be scanned by the machine.
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