Uni NanoDia Color Core Erasable Lead
Uni NanoDia leads are infused with nano-diamond particles making them 40% stronger and more break-resistant than typical colored leads. The leads write smoothly and erase cleanly with a regular eraser. Choose from fun colors, classic ones, or a mix of various ones.
They can be used in most 0.5 mm mechanical pencils.
Each dispenser contains 20 leads.
Lead size: 0.5 mm