Uni Mitsubishi_UL-S-0.3-25HB_ULS0325HB

It is clear and dark, but does not easily get dirty when rubbed, and the letters do not easily smudge when marked. It is a replacement lead for a mechanical pencil that is hard to break, dark, smooth, and does not easily get dirty.
◆Hardness: HB ◆Quantity: 25 pieces