Strength & Deep & Smooth -Uni-ball Extra Fine Diamond Infused Pencil Leads, 0.5 mm-2B-2h-HBNano Dia 40 Leads x 3 Pack/Total 120 Leads by Uni Strength & Deep & Smooth -Uni-ball Extra Fine Diamond Infused Pencil Leads, 0.5 mm-2B-2h-HBNano Dia 40 Leads x 3 Pack/Total 120 Leads