--- product_id: 569804581 title: "Mitsubishi Pencil Uni-Ball One UMNS38.7 Gel Ballpoint Pens, 0.01 inches (0.38 mm), Green Black, 10-Pen Box" brand: "三菱鉛筆" price: "¥4198" currency: JPY in_stock: true category: "三菱鉛筆" url: https://www.desertcart.jp/products/569804581-mitsubishi-pencil-uni-ball-one-umns38-7-gel-ballpoint-pens store_origin: JP region: Japan --- # Quick-drying, no-smear gel ink Vibrant green-black ink for standout notes 0.38mm ultra-fine tip for precision Mitsubishi Pencil Uni-Ball One UMNS38.7 Gel Ballpoint Pens, 0.01 inches (0.38 mm), Green Black, 10-Pen Box **Brand:** 三菱鉛筆 **Price:** ¥4198 **Availability:** ✅ In Stock ## Summary > 🖋️ Write sharp, stay ahead—because your ideas deserve to be unforgettable. ## Quick Answers - **What is this?** Mitsubishi Pencil Uni-Ball One UMNS38.7 Gel Ballpoint Pens, 0.01 inches (0.38 mm), Green Black, 10-Pen Box by 三菱鉛筆 - **How much does it cost?** ¥4198 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/569804581-mitsubishi-pencil-uni-ball-one-umns38-7-gel-ballpoint-pens) ## Best For - 三菱鉛筆 enthusiasts ## Why This Product - Trusted 三菱鉛筆 brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **No More Smudges:** Advanced quick-dry gel ink ensures your notes stay sharp and clean—no smearing, no mess. - • **Vibrant & Memorable:** Green-black ink is scientifically proven to be darker and more memorable, making your ideas impossible to overlook. - • **Precision that Impresses:** Ultra-fine 0.38mm tip delivers crisp, clear writing that stands out in every meeting and notebook. - • **Sleek, Functional Design:** Minimalist straight shaft with an oval wire clip fits effortlessly in your planner or pocket—style meets utility. - • **Bulk Value for Power Users:** 10-pack ensures you’re always stocked for brainstorming sessions, note-taking marathons, and creative bursts. ## Overview The Mitsubishi Pencil Uni-Ball One UMNS38.7 is a 0.38mm gel ballpoint pen featuring quick-drying, non-smearing green-black ink that produces darker, more vibrant text. Designed with a sleek, straight shaft and an easy-clip wire, this 10-pen box is perfect for professionals seeking precision, durability, and standout notes in every writing session. ## Description This gel ink ballpoint pen uses new technology bead pack pigments to write darker text and proven to be memorable. "Notebook, crisp and crisp. uni-ball one 1: Black is darker and the colors are more vibrant, and the black color is darker than the general gel ink that can be easily remembered and clearly written letters. In collaboration with Ritsaikan University, we have found that black color can be easily remembered as darker and crisp letters. You can write letters that are easy to leave impressions when you return the notebook. 2: Non-smearing, quick-drying, "UniBall One Ink" changes the ratio of the solids and liquid content in the ink, allowing liquid ingredients to be absorbed into the paper surface of the paper, while still leaving a solid color material on the paper. Quick-drying ink that penetrates quickly to the surface of the paper, yet does not bleed through and bleed through. 3: The ink color hidden by the red sheet is also available for those who are learning memory with a line-up/memorization red sheet, and the 0.38mm includes 3 colors, orange, baby pink, yellow, 0.5mm, orange, and yellow with a red sheet for memory. ## Features - Series: Uni-ball one - Features: Black is darker and the colors are more vibrant, making it easy to remember and write crisp letters - Design: The shaft design has a simple and straight shape, and the oval shaped open wire clip makes it easy to clip in your notebook or notebook - Lead diameter: 0.01 inch (0.38 mm); Ink color: Green black - Size: Shaft Diameter 0.4 x Thickness 0.6 x Total Length 5.5 inches (10.5 x 15.0 x 139.5 mm); Weight: 3.9 oz (109.4 g) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08665FHK6 | | Additional Features | Quick Drying | | Best Sellers Rank | #13,280 in Office Products ( See Top 100 in Office Products ) #1,320 in Ballpoint Pens | | Body Shape | Round | | Brand | 三菱鉛筆 | | Brand Name | 三菱鉛筆 | | Closure Type | Retractable | | Color | green black | | Customer Reviews | 4.6 out of 5 stars 869 Reviews | | Drill Point | Ultra Fine | | Grip Type | Smooth | | Hand Orientation | Ambidextrous | | Included Components | Ink Cartridge | | Ink Base | Hybrid | | Ink Color | green black | | Item Dimensions | 5.49 x 0.41 x 0.59 inches | | Item Type Name | Gel Ink Ballpoint Pen | | Item Weight | 0.1 kg | | Line Size | 0.38 millimetre | | Manufacturer | 三菱鉛筆 | | Material | Plastic | | Material Type | Plastic | | Model Name | uni-ball one | | Model Number | ハコUMNS38.7 | | Point Type | Ultra Fine | | Recommended Uses For Product | Writing | | Style | Green Black 10 pcs | | Unit Count | 10 Count | | Writing Instrument Form | Roller Ball Pen | | Writing Technique | gel ink | ## Product Details - **Brand:** 三菱鉛筆 - **Color:** green black - **Ink Color:** green black - **Material:** Plastic - **Writing Instrument Form:** Ballpoint Pen ## Images ![Mitsubishi Pencil Uni-Ball One UMNS38.7 Gel Ballpoint Pens, 0.01 inches (0.38 mm), Green Black, 10-Pen Box - Image 1](https://m.media-amazon.com/images/I/61mhUdKNPWL.jpg) ![Mitsubishi Pencil Uni-Ball One UMNS38.7 Gel Ballpoint Pens, 0.01 inches (0.38 mm), Green Black, 10-Pen Box - Image 2](https://m.media-amazon.com/images/I/61bhz9DOeQL.jpg) ![Mitsubishi Pencil Uni-Ball One UMNS38.7 Gel Ballpoint Pens, 0.01 inches (0.38 mm), Green Black, 10-Pen Box - Image 3](https://m.media-amazon.com/images/I/614qFdEzPCL.jpg) ![Mitsubishi Pencil Uni-Ball One UMNS38.7 Gel Ballpoint Pens, 0.01 inches (0.38 mm), Green Black, 10-Pen Box - Image 4](https://m.media-amazon.com/images/I/61U094+yOqL.jpg) ![Mitsubishi Pencil Uni-Ball One UMNS38.7 Gel Ballpoint Pens, 0.01 inches (0.38 mm), Green Black, 10-Pen Box - Image 5](https://m.media-amazon.com/images/I/71nAXBSz1LL.jpg) ## Frequently Bought Together - Mitsubishi Pencil Uni-Ball One UMNS38.7 Gel Ballpoint Pens, 0.01 inches (0.38 mm), Green Black, 10-Pen Box - Mitsubishi Pencil UMNSP38.38 Gel Ballpoint Pen Uni-Ball One P 0.38 Orange --- ## 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/569804581-mitsubishi-pencil-uni-ball-one-umns38-7-gel-ballpoint-pens](https://www.desertcart.jp/products/569804581-mitsubishi-pencil-uni-ball-one-umns38-7-gel-ballpoint-pens) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-14*