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The Uni-Ball Signo UM-153 is a premium 1.0mm white gel rollerball pen featuring a stainless steel tip and tungsten carbide ball for smooth, consistent ink flow. Its Uni Super Ink technology offers fraud protection, making it ideal for both creative projects and secure document signing. Loved by artists and professionals alike, this pen delivers vibrant, opaque white ink perfect for writing on dark surfaces with a comfortable rubber grip for extended use.








| ASIN | B00161UAJS |
| Best Sellers Rank | 13,495 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 269 in Gel Ink Rollerball Pens |
| Brand | uni-ball |
| Closure | Click-Off Cap |
| Colour | White |
| Customer Reviews | 4.5 4.5 out of 5 stars (7,160) |
| Date First Available | 15 May 2010 |
| Grip Type | Rubber |
| Ink Colour | White |
| Item Weight | 13.6 g |
| Line Size | 1_0_1_9mm |
| Manufacturer | Mitsubishi Pencil |
| Manufacturer Part Number | UM153.1 |
| Material Type | Stainless Steel |
| Model Number | 64538 |
| Number of Items | 12 |
| Point Type | Broad |
| Product Dimensions | 1.3 x 13.89 x 1.8 cm; 13.61 g |
| Size | 1 Count (Pack of 1) |
| Tip Type | gel |
R**L
Great quality
The best white gel pen I’ve found, nice opaque colour ideal for covering black lines and adding small details.
K**N
Buy IMMEDIATELY!
This pen, by far is the best white pen out there. As an art student we write on black card frequently. This pens flow is smooth and consistent and there is no streaks! Its brilliant, and its not even expensive! I have found that Japanese pens, especially Mitsubishi are superior.
G**E
Great White Pen
I've been look for a decent white pen to add to my stationery collection for a while and now I can confidently say I have one and I would recommend it to other people that are in need of a white pen Pros: - When used on top of other stationery items the pen produces a true white colour - The design of the pen is very nice and easy to hold - Less expensive than other white pens - Smooth when using it Cons: - When using it on top of markers that I consistently use, the ink goes milky doesn't retain its whiteness
A**E
Great white gel pen
I have tried many white gel pens and this is the only one that has worked for me. I use this with drawing and painting, the quality is great but a bit much for a white gel pen so not really value for money. It is very easy to use compared to the ones I have tried, the ink comes out with good speed and it won't randomly stop working or have to push down multiple times for the ink to come out. Great quality, great pen thank you
R**E
Very good value for money white ink pen.
Very happy with this pen, which did exactly what I wanted it to. Good quality of the ink itself, enabling me to both correct a cartridge pen sketch and act as a stylistic tool for a pop art piece (where I wanted to blend felt tips into a pseudo-Ben Day Dot pattern). Worked very well with the felt tip pens; my words of caution would be 1) To let it dry & don't try to do too much with it all at once (you'll have to keep a tissue nearby to keep the nib clean but for me that is no bother at all). 2) Be realistic about what you can achieve with it. It's not a correction fluid, though it can act like one if you use it cautiously. It can certainly cover up light pencil marks but see point 3 if you're trying to go over anything heavier. 3) Test it out beforehand! And then test it some more. Overall, a very good value for money white ink pen. I'm impressed & I'll be buying more of these for my art projects.
J**H
Hmm
Worked absolutely fantastic! But then a few days later I tried using it again and it was just scratching my work instead so not really sure what’s up with that…
H**R
Great pen
Have used to highlight snow on pictures, writes well, good ink flow, will be good on black paper
R**N
Perfect!
I use this for my colouring pages. To highlight and draw, it’s a great pen! Great value for money. Not scratchy, write/draws smooth.
A**2
インクの出も問題なし、スムーズに書きやすい。もっと使い込んだときにインク漏れ窓があるかはまだわかりません。
P**Y
Works great!
K**Y
Estuve buscando un bolígrafo, rotulador o lo que fuese que pintara en blanco sin que quedara semitransparente o chorrera tinta. He probado desde caros a baratos y ninguno me funcionaba. Por fin encontré lo que buscaba en este. Pintan de lujo para hacer brillos en los dibujos, que es para lo que quería. Sin duda, recomendadísimo
N**N
Excelente calidad en la tinta, sale fluido, constante, suave y cubre bien. Lo volvería a comprar cuando me acabe con todos (sobre todo por el buen precio en qué lo adquiri).
O**A
Perfetta per dare quel senso di luce e quel senso di realtà nei disegni colorati! Ve la consiglio
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