Uni Signo RT gel ink pens are retractable, containing water-based pigment gel ink. Also, it features a fine 0.38 mm tip, a rubber grip, and a steel point for strength. The tip is rounded and edgeless to reduce friction against the paper, resulting in a super-smooth writing experience. The Signo RT pens are super practical and affordable. Thus it has long been an attempt and true favorite for pen addicts.
