Uni Mechanical Pencil Lead Nano Dia Color 0.7mm, Red (U07202NDC.15), 20 Leads 3 Pack/total 60 Leads (Japan Import) [Komainu-Dou Original Package] Color: Red The diameter of a lead : 0.7mm One Box Contains 20 Refills: Total 60 Refills Erasable with an eraser