Uni Nano Dia 0.5mm B lead refills, a 3-pack containing 40 leads each. - Brand: uni - Size: 0.5mm - Hardness: B - Pack Quantity: 3 packs Currently discontinued. New, unopened. Please consider purchasing only if you understand that this item has been stored in a warehouse for a long time. Recycled packaging and simple wrapping will be used. Thank you for your understanding.