Mitsubishi Uni Nanodia Mechanical Pencil Lead Color, 0.5 mm - Mixed , 7 different colors
These Nanodia leads are created with a specially formulated graphite that last longer, breaks less often and it is easier to erase.
Color included: Lavender Blue, Mint Blue, Blue, Orange, Pink, Green and Red.
Dimensions: 6cm (60mm).
Made in Japan.