The Uni-Ball Signo RT1 UMN-155 in 038mm violet delivers smooth Signo violet gel at a hairline-thin tip with the retractable RT1 click mechanism, combining ultra-fine precision with a rich, distinctive colour

• Violet at 038mm ultra fine in the Signo RT1 produces a near-hairline violet line that is ideal for colour-coded systems requiring maximum fine-line precision, or journallers who want a distinctive colour at the finest possible tip size
• Compatible with UMR-85 refills