UNI Signo Gel Impact Retractable Roller Pen UM-153S, 1.0mm (Blue)

Suitable for large and expressive handwriting, its broad 1.0mm stainless steel tip will produce a 0.6mm line.
UM-153S uses Uni-Ball’s unique fast drying pigment ink that prevents smudging and delivers the benefit of ultra-fluid writing.
Refill: UMR-10