Bulk 3 Pcs. HB Rotring Tikky Hi-Polymer Fineline Leads for Refill Mechanical Pencils, 0.5mm HB, Black, 12 Leads per Tube, (Pack of 3 ) Set for Kids School by DrWritting Go to amazon.com Related posts The 5 best 0.05 pencil for 2022 The 14 best 0.05 lead FeatureRotring Mechanical Pencil Lead12 leads 0.5mm HB, BlackHi-polymerFineline Leads for Mechanical PencilsGood for School and office DescriptionRotring Tikky Mechanical Pencil Lead 0.5mm HB, 12 Lead