UNI-BALL Signo Refill UMR-87 – Blue

The UNI-BALL Signo UMR-87 in Blue is a 0.7mm gel ink refill designed for retractable pens. Featuring Uni’s acid-free, fade-proof, and water-resistant pigment gel ink, it delivers a bold, ultra-smooth writing experience. The fine tip writes a 0.4mm line, ensuring crisp, skip-free results for everyday use or important documents. 

It is compatible with various popular Uni-ball retractable pen models, including the Signo 207 (UMN-207), Signo 307 (UMN-307), and Signo RT1 (UMN-155)