Japan Uni-ball Signo RT1 Gel Pen - 0.5mm Blue

Available for Order Ships within 1 - 2 weeks

$3.49

0.28 Baby Pink 0.28 Black 0.28 Blue 0.28 Blue Black 0.28 Green 0.28 Light Blue 0.28 Lime Green 0.28 Orange 0.28 Red 0.28 Violet 0.38 Baby Pink 0.38 Black 0.38 Blue 0.38 Blue Black 0.38 Green 0.38 Light Blue 0.38 Lime Green 0.38 Orange 0.38 Red 0.38 Violet 0.5 Baby Pink 0.5 Black 0.5 Blue 0.5 Blue Black 0.5 Green 0.5 Light Blue 0.5 Lime Green 0.5 Orange 0.5 Red 0.5 Violet

FREE Shipping over $55.00

- Ultra-smooth writing achieved by reducing friction between the pen tip and paper
- Edgeless stainless-steel tip for smoother strokes and improved durability
- Spring-tip mechanism helps prevent ink backflow
- Newly formulated ink offers enhanced smoothness while keeping lines crisp, vivid, and bleed-resistant
- Uses water-based pigment ink with excellent water and light resistance
- Seamless one-motion design with an invisible joint between the grip and barrel
- Sleek, simple shape with a full rubber front grip for comfortable handling
- Available in 0.28 mm, 0.38 mm, and 0.5 mm tip sizes

Brand: Uni Ball

Barcode: 4902778142752

Modal No.: UMN155N05.33

Size: 11×15.4×141.2mm approx.

Manufacturer: Uni Mitsubishi Pencil

Source From: Japan

Made In: Japan

Tip Size: 0.5mm

Ink Color: Blue

Compatibility: Uni-ball Signo Knock Gel Pen Refill

TealFeb 15, 2026

I love buying from Kawaii Limited - they're always excellent in obtaining products without blemishes and how fast the shipping is. So I come here for new items.