Pentel Ain Stein Mechanical Pencil Lead, 0.5mm B,2B,3B,4B (40 Leads) 1 Each + Original 5 Colors Sticky Notes Go to amazon.com Related posts Top 14 best 0.5 lead 2b 2022 Feature0.5mm B0.5mm 2B0.5mm 3B0.5mm 4B DescriptionPentel Ain Stein Mechanical Pencil Lead, 0.5mm