For every mechanical lover, breaking off pencil leads during writing or drawing is very annoying. Uni NanoDia Pencil Lead uses new nanometer technology to create a stronger and high-quality lead. It helps users to effectively avoid breaking off leads during writing or drawing.
One case of pencil lead refills contains 40 packs of lead refills.
Strong & good quality pencil
Strong & good quality pencil leads
Great pencil leads. Long lasting,
Great pencil leads. Long lasting, precise for drafting and readily erasable.