--- product_id: 254789119 title: "Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set(Blue-Black)" brand: "uni-ball" price: "109.23 DT" currency: TND in_stock: true reviews_count: 5 category: "Uni Ball" url: https://www.desertcart.tn/products/254789119-uni-ball-signo-dx-um-151-gel-ink-pen-10 store_origin: TN region: Tunisia --- # Waterproof gel ink for smudge-free writing Refillable design for sustainable use 0.38mm ultra-fine tip for precision Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set(Blue-Black) **Brand:** uni-ball **Price:** 109.23 DT **Availability:** ✅ In Stock ## Summary > 🖋️ Write sharp, write smart — the pen that means business. ## Quick Answers - **What is this?** Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set(Blue-Black) by uni-ball - **How much does it cost?** 109.23 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/254789119-uni-ball-signo-dx-um-151-gel-ink-pen-10) ## Best For - uni-ball enthusiasts ## Why This Product - Trusted uni-ball brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Sturdy barrel and tip engineered to withstand heavy-handed writing without skipping or breaking. - • **Eco-Smart Refill:** Sustain your productivity and the planet with easy-to-replace gel ink refills. - • **Precision Perfected:** Experience ultra-fine 0.38mm lines that bring your ideas to life with unmatched clarity. - • **Unrivaled Smoothness:** Enjoy consistently clean, even ink flow that glides effortlessly across every page. - • **Artist & Writer’s Choice:** Join the exclusive community of creatives who swear by the Uni Signo DX’s superior performance. ## Overview The Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set features a 0.38mm ultra-fine tip delivering precise, waterproof blue-black gel ink. Its durable barrel and tip resist heavy use, making it a favorite among artists and professionals. This refillable pen set combines sleek design with sustainable functionality, offering smooth, consistent writing that’s hard to find in the US market. ## Description The Uni Signo DX (UM-151) is claimed by some to be even better than the Pilot Hi-Tec-C! It comes in 0.38mm tip size. The barrel and tip are a bit sturdier than the Hi-Tec-C, which might explain why converts love them. Users can enjoy clean and even flowing lines, and the strong tips can withstand all the heavy handed writing you can offer. Like all our other pens, the Uni Signo DX is highly sought after by artists and writers alike, but difficult to find in the US. Review: Best pens ever - These are my most favorite pens to use ever. I have them in 3 colors and uses them until all ink is completely gone. I write small anyway and I love the variety of colors, even if I only use a few of them, because when journaling i sometimes write sideways or upside down and the small point allows me to do this around book pages. Review: Bolígrafo de gel de alta calidad - Para mi es el mejor en su clase. El color azul-negro es excelente, la punta de .38mm es ultra fina para escribir letras pequeñas o escribir en letra manuscrita en renglones delgados. ## Features - The Uni Signo DX (UM-151) is claimed by some to be even better than the Pilot Hi-Tec-C! It comes in 0.38mm tip size. - Like all our other pens, the Uni Signo DX is highly sought after by artists and writers alike, but difficult to find in the US. - Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set(Blue-Black) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00W9DJWDM | | Additional Features | Refillable | | Age Range Description | Adult | | Age range (description) | Adult | | Animal Theme | no animal theme | | Best Sellers Rank | #106,211 in Office Products ( See Top 100 in Office Products ) #2,321 in Gel Ink Rollerball Pens | | Body Shape | Round | | Brand | uni-ball | | Brand Name | uni-ball | | Closure Type | Click-Off Cap | | Color | Blue-Black | | Colour | Blue-Black | | Customer Reviews | 4.6 out of 5 stars 374 Reviews | | Drill Point | Fine | | Grip Type | Soft | | Hand Orientation | Ambidextrous | | Hardness | 9H | | Ink Base | Water | | Ink Color | Blue-Black | | Ink colour | Blue-Black | | Item Diameter | 0.38 Millimeters | | Item Dimensions | 14 x 6.5 x 2.7 centimeters | | Item Weight | 0.2 Pounds | | Line Size | 0.38 Millimeters | | Manufacturer | Uni-ball | | Material | Plastic | | Material Type | Plastic | | Model Name | DX UM 151 | | Model Number | UM-151 | | Recommended Uses For Product | Writing | | Style | Refillable | | UPC | 701936337269 791836544263 701936337412 785525580397 | | Unit Count | 10 Count | | Water Resistance Level | Waterproof | | Writing Instrument Form | Gel Pen | | Writing Technique | gel ink | | Writing instrument form | Gel Pen | ## Product Details - **Age range (description):** Adult - **Brand:** uni-ball - **Colour:** Blue-Black - **Ink colour:** Blue-Black - **Writing instrument form:** Gel Pen ## Images ![Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set(Blue-Black) - Image 1](https://m.media-amazon.com/images/I/71UMvCP62KL.jpg) ![Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set(Blue-Black) - Image 2](https://m.media-amazon.com/images/I/51M5q69BI4L.jpg) ## Questions & Answers **Q: How are these different from the uniball signo 0.38 UMR-1?** A: These are not retractable, and If I remember the UMR-1 is. Both are the 0.38 point size. **Q: Are these pens retractable?** A: No, you remove the top and the pen point is ready to use. You replace the pen top to prevent ink marks. **Q: Why are these no returnable?** A: Their the best pens on the market, I have used this for over 18 years and not once ever had a need to return them. Plus the ink flows smooth **Q: Is the ink waterproof?** A: Mine has never been wet. But it does not smudge ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best pens ever *by T***N on 31 July 2026* These are my most favorite pens to use ever. I have them in 3 colors and uses them until all ink is completely gone. I write small anyway and I love the variety of colors, even if I only use a few of them, because when journaling i sometimes write sideways or upside down and the small point allows me to do this around book pages. ### ⭐⭐⭐⭐⭐ Bolígrafo de gel de alta calidad *by A***L on 6 July 2023* Para mi es el mejor en su clase. El color azul-negro es excelente, la punta de .38mm es ultra fina para escribir letras pequeñas o escribir en letra manuscrita en renglones delgados. ### ⭐⭐⭐⭐⭐ Product as described, good price *by G***G on 20 April 2022* The UM-151 is a pretty well-known pen so there's not much left to say about it. I've been using these for the past seven years and the only issue I've ever had was that they will stop working if dropped on the head. The only factor is price and shipping and those were both good. ## Frequently Bought Together - Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set(Blue-Black) - uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil - Uni Signo Gel Ballpoint Pen, Extra Fine 0.38mm, Bordeaux Black (UM151.60), 3 pens per Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/254789119-uni-ball-signo-dx-um-151-gel-ink-pen-10](https://www.desertcart.tn/products/254789119-uni-ball-signo-dx-um-151-gel-ink-pen-10) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-10*