Mitsubishi Pencil Gel Ink Ball Pen Replacement/Refill UMR-83E Unboarding Signo 307 Black UMR-83E.24 Mitsubishi Pencil 4902778217122

This is a 0.38mm refill for "Uni-ball Signo 307" that uses ink containing the new material "cellulose nanofiber."
・Ink color: Black
・Ball diameter: 0.38mm
Size: Vertical = 111mm side = 5mm thickness = 5mm
A product-colored tendency: Black





It is 0.38mm extra lead for "Uniball Signo 307" using the new material "cellulose nano fiber" combination ink.
・An ink color: Black
・Ball diameter: 0.38mm
Size: Vertical = 111mm side = 5mm thickness = 5mm
A product-colored tendency: Black