Mitsubishi Pencil (Uni-Ball) Sharp Refill Uni 0.5mm

"From now on, I won't pollute. "It's clear and dark, but it's hard to get dirty."
Approach the problem of sharp replacement core that makes notes dirty after writing.
In addition to the conventional "hard to break", "dark" and "smooth", "hard to get dirty" has been added!
It is hard to get dirty even if it is overcoated with a marker!
A simple and long-loved design that sets it apart from the previous ones.
Pull down the surface with your thumb → Push up the back side with your index finger, which is convenient.
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* The design and specifications are subject to change without notice by the manufacturer. please note that.