Uni NanoDia Machanical Pencil 0.5 mm Lead Pack of 3, B (U05202ND3PB) Go to amazon.com Related posts Expert choice for 0.5 lead b FeatureUni NanoDia Mechanical Pencil 0.5 mm Lead Pack of 3, B40 x 3 packsU05202ND3PB DescriptionUni NanoDia Mechanical Pencil 0.5 mm Lead Pack of 3, B