Pentel Super Hi-Polymer Leads - 0.5 mm , Fine Point - HB - Graphite Lead - 30/Tube - 36 / 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.