Amazon.com : Faber-Castell 0.7mm 2B Super Polymer Premium Strong Dark Smooth Leads Mechanical Pencil Lead Refills For All 0.7 mm Mechanical Pencils (4 Tubes, 24 Leads Per Tube - Total 96 leads) : Office Products
Amazon.com : June Gold 440 Pieces, 0.7 mm 2B Lead Refills, 110 Pieces Per Tube, Medium Thickness, Break Resistant Lead/Graphite (Pack of 4 Dispensers) : Office Products
Amazon.com : Faber-Castell 0.7mm 2B Super Polymer Premium Strong Dark Smooth Leads Mechanical Pencil Lead Refills For All 0.7 mm Mechanical Pencils (4 Tubes, 24 Leads Per Tube - Total 96 leads) : Office Products