3 Tubes/lot Sumikko Gurashi 0.5mm/0.7mm Graphite Mechanical Pencil Lead Refill Core 2B Student Automatic Pencil Lead Stationery
https://www.vogueparade.com/shopping/EN/200001743/2/1005003718548777/3-tubeslot-sumikko-gurashi-05mm07mm-graphite-mechanical-pencil-lead-refill-core-2b-student-automatic-pencil-lead-stationery//