Amazon.com : Pentel Graph Gear 500 Automatic Drafting Pencil with Lead and Mini Eraser, 0.5 mm (PG525LEBP),Black,1 Pack w/ Lead & Eraser : Mechanical Pencils : Office Products
Amazon.com : Pentel Arts GraphGear 500 Premium Drafting Pencil, 0.3mm, Brown Barrel, 1-Pack (PG523EPABP) : Office Products