Uni-ball Signo Impact 207 RT Refills, Blue Ink, 1.0 Mm Bold Point, 6 Packs...
Fits Uni-ball Gel RT and Gel Impact RT. Point Type: Bold. Ink Color: Blue. Archival-quality; acid-free ink is quick-drying and fade- and water-resistant. Item Weight: 1.13 ounces.