Uni-Ball
0 ratings
Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)
Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)
Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)
Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)
Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)
genuine image
Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)
Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)
Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)
Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)
Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)
Click Add to Cart and get yours now!
Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)
Item #: 92780837

Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue)

Item #: 92780837

PHP 1852

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Wednesday, August 05
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Click Add to Cart and get yours now!
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
bank transfer payment
gcash payment
seven eleven payment
grabpay payment
cash payments payment
dragonpay ebanking payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Smooth Ink Flow
The Uni-Ball Signo RT1 delivers a consistently smooth ink flow, ensuring a seamless writing experience without skips or blotting, ideal for precision tasks and lengthy writing sessions.
Ultra Micro Point
With a 0.28mm tip, this gel pen offers ultra-fine lines for intricate details, making it perfect for artists, students, and professionals who require precision in their writing or drawing.
Retractable Design
The retractable feature prevents ink from drying out and eliminates the risk of cap loss, providing convenience and reliability for users on the go, ensuring the pen is always ready to use.

Product Details

Shop Uni-Ball Signo RT1 0.28mm - Smooth Ink Flow Gel pen, Retractable Gel Ink Pen, Ultra Micro Point (Light Blue) online at a best price in Philippines. B08WK212MF
  • 🖊 PREMIUM INK FLOW: This high quality ballpoint and gel ink is perfect for smooth and effortless drawing. This is the best Black gel pen set for artists, illustration sketching and adult coloring books. Uni-ball Signo RT1 does not have a corner at the tip of the tip, so you do not have to worry about the writing angle and your hands will not get tired.
  • 🖊 EFFECTIVE USAGE: This quality signo gel pen does not fade and can be used for important documents. Since it is a quick-drying ink that penetrates quickly into the paper surface, there is no bleeding or show-through. It also has excellent water resistance and light resistance.
  • 🖊 VERY FINE TIP GEL PENS: This durable black ink pen has a fine point tip suitable for any task, or writing meticulous notes, marking your calendar, etc. It has an Ultra Micro Point of 0.28mm. The ink dries quickly so there’s no bleeding or show-through! A rubber grip that is easy to use anywhere and easy to grip.In addition to its stylish design, it is a clip that is easy to pinch in your notebook.
  • 🖊 ACID FREE AND NON TOXIC: This pen has a rubber grip for comfortable use. One unique thing about this pen is that it has more ink than any gel pen and sakura gelly roll pen. Durable design that does not break even if dropped and does not leak liquid. It uses a stainless steel tip with excellent toughness and a spring tip mechanism to prevent direct current ink.
Writing Instrument FormRoller Ball Pen
Ink ColorLight Blue
Drill PointUltra Micro
Additional FeaturesRetractable
Line Size0.28 Millimeters
Grip TypeRubber
Hardness6H
Writing Techniquegel ink, rollerball
Closure TypeSnap
ColorLight Blue
StyleRefillable
Body ShapeRound
Material TypeRubber
Ink BaseWater
Brand NameUni-Ball
Age Range DescriptionAdult
Model NameUMN15528.8
Recommended Uses For ProductDrawing, Coloring
Included ComponentsUni-Ball Signo RT1 Gel Pen, Rubber Grip, and Compact Sticky Notes
Model NumberUMN15528.8
UPC767870005091
ManufacturerACEPORTE
Unit Count11.0 Count
Item Weight0.13 Kilograms
Item Diameter10.6 Millimeters
BrandUni-Ball
Age Range (Description)Adult

What's in the box

Uni-Ball Signo RT1 Gel Pen, Rubber Grip, and Compact Sticky Notes

Who Should Buy?

Suitable For
  • Artists and Illustrators

    Perfect for detailed work, this pen delivers precision and smooth ink flow for fine art projects.

  • Students and Note-Takers

    Ideal for taking notes, the ultra-fine tip ensures neat handwriting in class or while studying.

  • Professionals

    Great for signing documents, the retractable feature and smooth ink enhance professionalism in office settings.

Not Suitable For
  • Heavy Handed Writers

    Individuals who press hard may find the fine tip prone to damage or skipping during writing.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: Is the ink water-resistant?

    Answer: Yes, the ink is waterproof and has excellent light resistance.
  • Question: Can the pen be refilled?

    Answer: Yes, the Uni-ball Signo RT1 pen is refillable.
  • Question: Is it suitable for drawing and coloring?

    Answer: Absolutely! The smooth ink flow makes it perfect for art and coloring projects.

Uni-Ball Gel Ink Rollerball Pens UMN15528.8 Editorial Review

No editorial reviews found

Customer Reviews & Ratings

4.4
7 customers ratings
  • 5 Star
    85%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    15%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9200 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

PHP 1852

Order now and get it around Wednesday, August 05

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Premium waterproof gel ink pen for superior writing.
  • Ultra Micro Point 0.28mm tip ensures precise lines.
  • Quick-drying ink prevents smudging on important documents.
  • Rubber grip provides comfort and easy handling.
  • Includes a compact sticky notes set for added value.
  • Ideal for artists, students and professionals alike.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.