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 300 Mechanical Pencil, (0.9mm) Thick line, 1-Pack, Red Barrel : Everything Else