--- product_id: 228805020 title: "Isomars Technoart Fineliner Technical Drawing Pen 0.3mm with Black Waterproof Drawing Ink Set | Refillable Precision Pen for Sketching, Drafting, Architecture & Mandala Art" brand: "isomars" price: "€ 10.72" currency: EUR in_stock: true reviews_count: 8 category: "Isomars" url: https://www.desertcart.gr/products/228805020-isomars-technoart-fineliner-technical-drawing-pen-0-3mm-with-black store_origin: GR region: Greece --- # Waterproof & fade-resistant ink 0.3mm ultra-fine precision nib Refillable & eco-friendly design Isomars Technoart Fineliner Technical Drawing Pen 0.3mm with Black Waterproof Drawing Ink Set | Refillable Precision Pen for Sketching, Drafting, Architecture & Mandala Art **Brand:** isomars **Price:** € 10.72 **Availability:** ✅ In Stock ## Summary > ✍️ Draw with precision, create with confidence—never miss a line! ## Quick Answers - **What is this?** Isomars Technoart Fineliner Technical Drawing Pen 0.3mm with Black Waterproof Drawing Ink Set | Refillable Precision Pen for Sketching, Drafting, Architecture & Mandala Art by isomars - **How much does it cost?** € 10.72 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/228805020-isomars-technoart-fineliner-technical-drawing-pen-0-3mm-with-black) ## Best For - isomars enthusiasts ## Why This Product - Trusted isomars brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Template-Ready Design:** Extended metal tip glides smoothly along rulers and stencils for perfect alignment and professional results. - • **Effortless Control & Comfort:** Ergonomic, lightweight body reduces hand fatigue during marathon sketching or drafting sessions. - • **Sustainable Creativity Boost:** Refillable ink system means less waste and more long-term value—create boldly without compromise. - • **Pinpoint Precision Every Time:** 0.3mm metal tip delivers razor-sharp, consistent lines for flawless technical drawings and intricate art. - • **Smudge-Proof Masterpiece Maker:** Waterproof, quick-dry ink ensures your work stays crisp and permanent—no more accidental smears or fading. ## Overview The Isomars Technoart Fineliner 0.3mm pen set combines ultra-fine metal nib precision with waterproof, fade-resistant black ink for professional-grade technical drawing and detailed artwork. Its ergonomic, lightweight design supports extended use, while the refillable ink system promotes sustainability. Perfect for architects, engineers, artists, and designers seeking flawless lines and lasting results. ## Description The Isomars Technoart Fineliner Technical Drawing Pen 0.3mm with Black Waterproof Ink Set is a professional-grade precision drawing tool designed for artists, architects, engineers and designers who demand accuracy and smooth performance. Featuring a durable fine metal tip, the pen produces sharp, clean and consistent lines, making it ideal for technical drawings, drafting, sketching, illustration, mandala art, comic art, line art and detailed creative work. The long metal nib is specially designed for effortless use with rulers, templates and stencils, ensuring superior control and precision. The included waterproof black drawing ink delivers rich pigmentation with quick-drying, smudge-resistant and fade-resistant performance for long-lasting results. Its refillable design ensures extended usability while reducing waste. Lightweight and ergonomically designed, the pen offers a comfortable grip for extended drawing sessions without fatigue. Whether used by professionals, students or hobby artists, this technical pen set is a reliable tool for precision artwork and drafting applications. Review: Best alternative to fineliners - The ink does cloggs a lot but adding 3-4 drops of water with ink really makes difference. Review: Very good product - Very good product and ink flow smoothly function value durable ## Features - PRECISION 0.3mm NIB: Designed for accurate and consistent line work, ideal for technical drawing, detailing, outlining, hatching, stippling, drafting and fine illustrations. - SMOOTH & CONTROLLED INK FLOW: Premium fineliner pen delivers clean, uninterrupted ink flow with no skipping or blotting, ensuring crisp professional-quality results. - WATERPROOF & FADE-RESISTANT INK: Comes with rich black waterproof drawing ink that dries quickly, resists smudging and remains permanent on paper for long-lasting artwork. - LONG METAL TIP FOR TEMPLATE WORK: Extended metal tip allows easy use with rulers, stencils and drawing templates, making it perfect for engineering, architecture and design applications. - REFILLABLE & DURABLE DESIGN: Reusable technical pen with refillable ink system for extended performance and economical long-term use. - ERGONOMIC LIGHTWEIGHT BODY: Comfortable grip and balanced design reduce hand fatigue during long drawing, sketching or drafting sessions. - IDEAL FOR MULTIPLE APPLICATIONS: Suitable for architects, engineers, artists, fashion designers, illustrators, comic artists, students and hobbyists. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0194DHU42 | | Best Sellers Rank | #6,182 in Office Products ( See Top 100 in Office Products ) #1,715 in Pens, Pencils & Writing Supplies | | Body Shape | Round | | Brand | Isomars | | Brand Name | Isomars | | Colour | Black | | Customer Reviews | 4.0 out of 5 stars 85 Reviews | | Grip Type | Contoured | | Hand Orientation | Ambidextrous | | Ink Base | Water | | Ink Colour | Black,red | | Is Waterproof | true | | Item Diameter | 0.3 Millimetres | | Item Dimensions | 12 x 0.6 x 12 Centimeters | | Item Type | Technical Drawing pen and Ink Combo | | Item Weight | 10 Grams | | Line Size | 0.3 Millimeters | | Manufacturer | Y S International | | Manufacturer Part Number | TTP1100_0.3 | | Marker Type | Permanent Marker | | Material Type | Metal,vellum | | Model number | TTP1100_0.3 | | Number Of Items | 1 | | Number of Items | 1 | | Number of Pieces | 25 | | Packer Contact Information | YS INTERNATIONAL | | Pattern | Letter Print | | Point Type | Fine | | Recommended Uses For Product | Drawing | | Special Features | Waterproof | | Style Name | Chisel | | Surface Recommendation | Metal | | Target Audience | Adult, Kid | | Unit Count | 1.0 Count | | Water Resistance Level | Waterproof | | Writing Instrument Form | Technical Pen | ## Product Details - **Brand:** Isomars - **Ink Colour:** Black,red - **Number of Items:** 1 - **Point Type:** Fine - **Recommended Uses For Product:** Drawing ## Images ![Isomars Technoart Fineliner Technical Drawing Pen 0.3mm with Black Waterproof Drawing Ink Set | Refillable Precision Pen for Sketching, Drafting, Architecture & Mandala Art - Image 1](https://m.media-amazon.com/images/I/71P091vSw5L.jpg) ![Isomars Technoart Fineliner Technical Drawing Pen 0.3mm with Black Waterproof Drawing Ink Set | Refillable Precision Pen for Sketching, Drafting, Architecture & Mandala Art - Image 2](https://m.media-amazon.com/images/I/61vFW8eq3YL.jpg) ![Isomars Technoart Fineliner Technical Drawing Pen 0.3mm with Black Waterproof Drawing Ink Set | Refillable Precision Pen for Sketching, Drafting, Architecture & Mandala Art - Image 3](https://m.media-amazon.com/images/I/81GOWKGKsfL.jpg) ![Isomars Technoart Fineliner Technical Drawing Pen 0.3mm with Black Waterproof Drawing Ink Set | Refillable Precision Pen for Sketching, Drafting, Architecture & Mandala Art - Image 4](https://m.media-amazon.com/images/I/717LNo23XUL.jpg) ![Isomars Technoart Fineliner Technical Drawing Pen 0.3mm with Black Waterproof Drawing Ink Set | Refillable Precision Pen for Sketching, Drafting, Architecture & Mandala Art - Image 5](https://m.media-amazon.com/images/I/61A-arUOY1L.jpg) ## Available Options This product comes in different **Line Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best alternative to fineliners *by V***T on 25 November 2025* The ink does cloggs a lot but adding 3-4 drops of water with ink really makes difference. ### ⭐⭐⭐⭐⭐ Very good product *by R***R on 21 September 2025* Very good product and ink flow smoothly function value durable ### ⭐ Quality Issue *by N***R on 17 June 2023* Quality is not good . Initial 2 days were good and not working after that, not met the quality. ## Frequently Bought Together - Isomars Fineliner Technical Drawing Pen 0.3&Ink Combo Set,Black - Isomars Fineliner Technical Drawing Pen 0.2&Ink Combo Set,Black - Isomars Fineliner Technical Drawing Pen 0.5 and Ink Combo Set --- ## 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.gr/products/228805020-isomars-technoart-fineliner-technical-drawing-pen-0-3mm-with-black](https://www.desertcart.gr/products/228805020-isomars-technoart-fineliner-technical-drawing-pen-0-3mm-with-black) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-07-25*