Gel ink ballpoint pen refill Refill UMR-87E Uni-ball Signo 307 0.7mm Red UM 101
Product number: UMR-87E.15■This is a 0.7mm refill for "Uni-ball Signo 307" that uses ink containing the new material "cellulose nanofiber".. Ink color: Red. Size: Height = 111mm Width = 5mm Thickness = 5mm.