Uni-Ball UMN155-05BK – Signo RT1 0.5mm Black Pen Pack of 10
The Signo RT1 0.5mm Black Pen is a high-quality writing instrument designed for everyday use in the office. Its 0.5mm tip provides a fine line width, making it ideal for writing, drawing, and signing documents. The pen’s ergonomic design and comfortable grip ensure smooth writing experiences, reducing fatigue and discomfort during extended use. In high-volume office environments, this pen’s reliability and consistency are essential for maintaining productivity and efficiency. Its archival-quality ink is also resistant to fading, ensuring that important documents remain legible over time.
The pen’s durable construction and long-lasting ink supply make it a cost-effective solution for businesses. Its versatility also makes it suitable for various applications, from everyday writing tasks to artistic and design work. With its compact size and lightweight design, the Signo RT1 0.5mm Black Pen is easy to store and transport, making it a convenient addition to any office supply arsenal. Whether used for personal or professional purposes, this pen delivers exceptional performance and value.
In the context of enterprise use, the Signo RT1 0.5mm Black Pen is an excellent choice for organizations seeking a reliable and efficient writing solution. Its high-quality ink and durable construction ensure that it will withstand the demands of high-volume use, reducing the need for frequent replacements and minimizing downtime.
Technical Specifications
| Brand | Uni-Ball |
| SKU | UMN155-05BK |
| Category | Office Supplies |
| Tip Size | 0.5mm |
| Ink Color | Black |
| Pack Quantity | 10 |
| View all Uni-Ball Products → | |
Challenges Solved by this Solution
s, maintaining productivity and efficiency is crucial for success. However, outdated or unreliable writing instruments can hinder workflow and create unnecessary bottlenecks. The Signo RT1 0.5mm Black Pen addresses these challenges by providing a high-quality writing experience that is both reliable and consistent. By investing in this pen, businesses can reduce downtime, minimize waste, and improve overall operational efficiency. its archival-quality ink ensures that important documents remain legible over time, reducing the risk of critical information loss.
Australian Logistics & B2B Support
As a 100% Aussie-owned and operated business, we are a trusted partner for Uni-Ball. We empower enterprise procurement with dedicated B2B account support and flexible payment options.
Frequently Asked Questions
What is the average lifespan of the pen’s ink supply?
The pen’s ink supply is designed to last for an extended period, but its exact lifespan will depend on usage patterns and writing frequency.
Can I use this pen for artistic purposes?
Yes, the Signo RT1 0.5mm Black Pen is suitable for various artistic applications, including drawing, sketching, and illustration.
Is the pen’s ink resistant to water and fading?
Yes, the pen’s archival-quality ink is resistant to water and fading, ensuring that important documents remain legible over time.
Can the TECHOM Systems Sales team help me with bulk orders or custom pen designs?
Yes, our Sales Team can assist with bulk orders, custom pen designs, and other specialized requests. Please contact us for more information.

Ready to Deploy Uni-Ball Signo Rt1 .5 Black Pk10 (UMN155-05BK)?
Product Ref: TOS-1651746 • Get enterprise pricing, volume discounts, and Australian support.























