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Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black

Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black

(1,179 reviews)

The Uniball Signo RT1 offers an exceptionally smooth writing experience for a 0.28 mm pen. Its tip design is edgeless and rounded, eliminating undue friction with the page. The pigment-based gel ink lays down a smooth, clear, sharp line and is waterproof, fade-resistant, feather-resistant, fraud-resistant and archival-quality. The Signo RT1’s body shape is designed to further enhance the feeling of smoothness: the comfortable rubberised grip melds stylishly into the barrel and the pocket clip attaches seamlessly to the push clip. The semi-transparent coloured barrel allows a glimpse of the ink, showing you when the ink is running low.

The Uniball Signo RT1 offers an exceptionally smooth writing experience for a 0.28 mm pen. Its tip design is edgeless and rounded, eliminating undue friction with the page. The pigment-based gel ink lays down a smooth, clear, sharp line and is waterproof, fade-resistant, feather-resistant, fraud-resistant and archival-quality. The Signo RT1’s body shape is designed to further enhance the feeling of smoothness: the comfortable rubberised grip melds stylishly into the barrel and the pocket clip attaches seamlessly to the push clip. The semi-transparent coloured barrel allows a glimpse of the ink, showing you when the ink is running low.

$2.80 - $4.60

in 2 offers

Colour:

Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.38 mm, Baby Pink
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Blue
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Green
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Light Blue
Uni Ball Signo Knock Ballpoint Pen RT1 0.28mm Color, Lime Green (UMN15528.5)
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Orange
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Red
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Violet

Size:

L
0.5 mm
0.38 mm
O

Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black

$2.80

(1,179 reviews)

The Uniball Signo RT1 offers an exceptionally smooth writing experience for a 0.28 mm pen. Its tip design is edgeless and rounded, eliminating undue friction with the page. The pigment-based gel ink lays down a smooth, clear, sharp line and is waterproof, fade-resistant, feather-resistant, fraud-resistant and archival-quality. The Signo RT1’s body shape is designed to further enhance the feeling of smoothness: the comfortable rubberised grip melds stylishly into the barrel and the pocket clip attaches seamlessly to the push clip. The semi-transparent coloured barrel allows a glimpse of the ink, showing you when the ink is running low.

The Uniball Signo RT1 offers an exceptionally smooth writing experience for a 0.28 mm pen. Its tip design is edgeless and rounded, eliminating undue friction with the page. The pigment-based gel ink lays down a smooth, clear, sharp line and is waterproof, fade-resistant, feather-resistant, fraud-resistant and archival-quality. The Signo RT1’s body shape is designed to further enhance the feeling of smoothness: the comfortable rubberised grip melds stylishly into the barrel and the pocket clip attaches seamlessly to the push clip. The semi-transparent coloured barrel allows a glimpse of the ink, showing you when the ink is running low.

Colour:
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Black
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.38 mm, Baby Pink
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Blue
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Green
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Light Blue
Uni Ball Signo Knock Ballpoint Pen RT1 0.28mm Color, Lime Green (UMN15528.5)
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Orange
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Red
Uni-Ball Signo RT1 UMN-155 Gel Pen - 0.28 mm - Violet

Size

0.28 mm
​

Price comparison

Last updated at 06/05/2025 21:59:49

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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

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Price history

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Price history

​
​

Reviews

4 August 2017
Bannef

originally posted on JetPens

3 February 2024
Bella

originally posted on JetPens

29 December 2022
cat.lobre

originally posted on JetPens

Specification

Body ColorBlack
Capped or RetractableRetractable - Top Button
Clip MaterialPlastic
ClippableYes
Diameter - Grip10.6 mm

Price comparison

Updated 3 days ago
Bunbougu

$2.80

+$6.85 delivery
Kooding

$4.60

+$24.62 delivery

See 5 more history offers

desertcart.com.au

$14.00

Low Stock
Harajuku Culture Japan

$19.54

Low Stock
eBay.com.au - raysandrains

$25.04

Low Stock
eBay.com.au

$25.33

Low Stock
eBay.com.au - xportsxperts01

$26.91

Low Stock

Price history

​
​

Price history

​
​

Reviews

4 August 2017
Bannef
originally posted on JetPens
3 February 2024
Bella
originally posted on JetPens
29 December 2022
cat.lobre
originally posted on JetPens
6 October 2020
Derek B.
originally posted on bunbougu.com.au
7 February 2021
Francesca
originally posted on JetPens
29 March 2024
joemegf
originally posted on JetPens
10 January 2024
JohnT
originally posted on JetPens
17 August 2024
NeoBritzAM29
originally posted on JetPens
26 October 2021
tsamplaski
originally posted on JetPens
Pleasantly surprised
16 November 2023
Joey
originally posted on officeworks.com.au

Specification

Body ColorBlack
Capped or RetractableRetractable - Top Button
Clip MaterialPlastic
ClippableYes
Diameter - Grip10.6 mm