Pentel Super Hi-Polymer Leads - 0.5 mm , Fine Point - HB - Black Lead - 12/Tube - 12 / Box

Super Hi-Polymer Lead Refills produce crisp lines of consistent darkness, smoothness and density in mechanical pencils. Each super-strong lead writes as far as an entire wooden pencil and produces a dark line. A 12-piece tube is equivalent to 12 wooden pencils.