Pentel PEN50B Pencil Refill

Pentel Super Hi-Polymer Leads - 0.7 mmMedium Point - B - Black - 12 / Tube; 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.;