Mitsubishi Pencil Sharp Refill 4B 0.5mm 40pcs ULS05404B 4902778274095

It's clear and dark but doesn't stain easily. The new smudge-proof formula makes it more resistant to scratches and keeps your notes clean. ● Core diameter: 0.5 mm ● Hardness: 4B ● Number of cores: 40 ● Core length [mm]: 60 ● Country of origin: Japan ● 20.0 x thickness 7.0 x length 76.0 mm ● Mass 6.3 g