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Pentel 300- Super Hi-Polymer Lead Refills, 0.3mm Extra Fine, 12 Leads – Value Products Global
Pentel 0.3 MM HB Super Hi-Polymer Mechanical Pencil Lead Core Refills – 2-pack | eBay
Refill - SUPER Hi-Polymer® Lead (0.3mm) Extra Fine, 2H, 12 p
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Ain STEIN Mechanical Pencil Leads, 0.3 mm, 2B – St. Louis Art Supply
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