Refill For Uni-ball Signo RT/RT1 Gel Pen 0.5

specification	details
Brand	uni (Mitsubishi Pencil Co.)
Product Line	Signo Refill (替芯)
Model Code	UMR-85N
Product Type	Retractable Gel Ink Refill
Tip Size	0.5 mm (Fine Point)
Ink Color	Blue Black (ブルーブラック)
Ink Type	Water-based pigment gel ink (Uni Super Ink)
Compatibility	Uni-ball Signo RT1 (UMN-155-05), Signo RT (UMN-105), and standard compatible retractable Signo gel pen housings
Origin	Japan
Key Feature	Archival, fraud-resistant Blue Black pigment ink paired with a low-friction 0.5mm tip layout for effortless everyday tracking

Pen Refills Japan

5,500.00 K