--- product_id: 1482177 title: "Uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil" brand: "uni-ball" price: "¥4699" currency: JPY in_stock: true reviews_count: 13 category: "Uni Ball" url: https://www.desertcart.jp/products/1482177-uni-ball-signo-dx-um-151-gel-ink-pen-0 store_origin: JP region: Japan --- # reinforced tip & barrel for durability smooth gel ink flow, no streaks 0.38mm ultra-fine tip for precision Uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil **Brand:** uni-ball **Price:** ¥4699 **Availability:** ✅ In Stock ## Summary > 🖋️ Write sharp, write smooth, write like you mean it. ## Quick Answers - **What is this?** Uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil by uni-ball - **How much does it cost?** ¥4699 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/1482177-uni-ball-signo-dx-um-151-gel-ink-pen-0) ## 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 designed to withstand heavy-handed creativity without faltering. - • **Smooth Operator:** Enjoy ultra-smooth gel ink that glides effortlessly, drying quickly to keep your work flawless. - • **Bulk Pack, Big Impact:** 10 pens per pack to keep your desk stocked and your ideas flowing nonstop. - • **Precision in Every Stroke:** Experience razor-sharp 0.38mm lines that elevate your writing and sketches. - • **Artist & Writer’s Secret:** A cult favorite hard to find in the US—join the elite circle of Signo DX devotees. ## Overview The Uni-ball Signo DX UM-151 is a premium 0.38mm gel ink pen favored by artists and writers for its ultra-fine precision, smooth ink flow, and durable construction. This pack of 10 black pens offers a reliable, streak-free writing experience with quick-drying hybrid ink, making it a coveted choice for professionals who demand both style and substance in their everyday writing tools. ## 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: High quality extra smooth fine point pens! - These are my favorite gel pens by far. They write so smoothly and without streaking. The ink dries really quickly compared to a lot of the other gel pens I’ve tried. My handwriting is usually pretty small so it was important that they be fine point, and they don’t disappoint. The line is actually a 0.38 fine point. I highly recommend these pens!!! Review: new fave pen - my new fave pen! They write so smoothly and precisely, no bleed through on thin papers like moleskine, stalogy. ## Features - Uni-Ball Signo DX 0.38 by 151 Gel Ink Pen, Pack of 10 (Black) - Users can enjoy clean and even flowing lines, and the strong tips can withstand all the heavy handed writing you can offer. - The Uni Signo DX is highly sought after by artists and writers alike, but difficult to find in the US. - 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003FXWGWE | | Additional Features | Liquid Ink | | Age Range (Description) | Adult | | Age Range Description | Adult | | Best Sellers Rank | #6,619 in Office Products ( See Top 100 in Office Products ) #223 in Gel Ink Pens | | Body Shape | Rectangular | | Brand | Uni-Ball | | Brand Name | Uni-Ball | | Closure Type | Click-Off Cap | | Color | Black | | Customer Reviews | 4.7 out of 5 stars 1,629 Reviews | | Drill Point | Fine | | Grip Type | Contoured | | Hand Orientation | Ambidextrous | | Included Components | Pack of 10 | | Ink Base | Hybrid | | Ink Color | Black | | Item Diameter | 0.38 millimeters | | Item Dimensions | 5 x 2 x 4 inches | | Item Weight | 3.2 ounces | | Line Size | 0.38mm | | Manufacturer | Uni-Ball | | Material | Plastic | | Material Type | Plastic | | Model Name | Signo Dx | | Model Number | UM151.24 | | Recommended Uses For Product | Calligraphy, Sketching, Writing | | Style | Modern | | Theme | Artistic Writing | | UPC | 700600929625 | | Unit Count | 10 Count | | Water Resistance Level | Not Water Resistant | | Writing Instrument Form | Gel Pen | | Writing Technique | gel ink | ## Product Details - **Age Range (Description):** Adult - **Brand:** Uni-Ball - **Color:** Black - **Ink Color:** Black - **Writing Instrument Form:** Gel Pen ## Images ![Uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil - Image 1](https://m.media-amazon.com/images/I/61gJkqd+8aL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Is this pen retractable?** A: Not retractable but it is the best pen I have ever used, no ink globs yet and I have gone through two packs so far. The pen has a removable cap with an atypical clasp. **Q: Is the pen with the label "umr-1" and the pen with the label "um-151" the exact same pen?** A: The pens I purchased carry both labels on them. I am not aware of pens with just one of those two label references. **Q: Do these ship directly from Japan?** A: Yes **Q: Is this fake? Because I have the original one from a japanese store it doesnt have the chinese symbol on the cap.** A: Not sure what you mean by "fake". I've purchased and repurchased these wonderful pens through Amazon and this dealer, no problems. Mine show Japanese symbols on the pen shaft, not the cap. ## Customer Reviews ### ⭐⭐⭐⭐⭐ High quality extra smooth fine point pens! *by F***D on June 29, 2026* These are my favorite gel pens by far. They write so smoothly and without streaking. The ink dries really quickly compared to a lot of the other gel pens I’ve tried. My handwriting is usually pretty small so it was important that they be fine point, and they don’t disappoint. The line is actually a 0.38 fine point. I highly recommend these pens!!! ### ⭐⭐⭐⭐⭐ new fave pen *by V***V on September 11, 2026* my new fave pen! They write so smoothly and precisely, no bleed through on thin papers like moleskine, stalogy. ### ⭐⭐⭐⭐⭐ Excellent security pens *by R***S on September 10, 2026* These pens are outstanding. Great for writing checks where the ink cannot be removed. Very fine point, very durable, no leakage. ## Frequently Bought Together - uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil - MAIKEDEPOT Felt Tip Pens, 15pcs Calligraphy pen Assorted Colors Sign Brush Pen Art Brush Marker Water Based Journaling Pen Set for Beginners Beginner Adult Lettering, Calligraphy (15pcs) - SAKURA Pigma Micron Fineliner Pens - Archival Black Ink Pens - Pens for Writing, Drawing, or Bullet Journaling - Assorted Point Sizes - 6 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.jp/products/1482177-uni-ball-signo-dx-um-151-gel-ink-pen-0](https://www.desertcart.jp/products/1482177-uni-ball-signo-dx-um-151-gel-ink-pen-0) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-25*