Pilot Neo-X 0.7mm HB 60mm Mechanical Pencil Lead Refills, Black Lead, 100/Pack Pilot Neo-X 0.7mm HB 60mm Mechanical Pencil Lead Refills, Black Lead, 100/Pack Product Description: Mechanical Pencil Lead Refills. Lead Size: 0.7mm.Lead Color: Black. Lead Degree: HB. Includess 100 lead refills.