
Tom's Studio Lumos Pro Duo Tip Fineliner Pen - Matte Black
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The Tom's Studio Lumos Pro Duo Tip Fineliner in Matte Black is a masterfully engineered, sustainable response to the endless sea of disposable plastic technical markers. Conceived by a product designer and craftsman who refused to let fully functional pen bodies go to the landfill when they ran out of ink, the Lumos Pro Duo is a professional-grade lifetime tool. It shatters the cycle of proprietary plastic cartridges by using an infinitely refillable design that lets you use your favorite bottled fountain pen inks. Acclaimed fashion artist David Downton calls the Lumos "brilliant," noting that the balance, range of nibs, and satiny ink lay down so flawlessly that "the drawing (almost) does itself."
The defining evolution of this model is its highly versatile Duo Tip configuration. Featuring active tip placements on both ends of the pen, it allows you to load two different line weights simultaneously—such as a ultra-fine 0.1mm fineliner on one side and a expressive brush tip on the other. Wrapped in a stealthy, grippy Matte Black finish, the precision-machined anodized aluminum body offers a "noticeably sensual" tactile feel that completely resists fingerprints while providing a secure hold during intense design sessions. Equipped with two internal capillary ink reservoirs, the Lumos Pro Duo delivers double the utility, functioning as an indispensable "loyal everyday companion" for modern creators.
✨ Signature Features: Dual-Ended Innovation & Sustainable Mastery
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Double-Ended Duo Configuration: Maximizes your creative flow by holding two different tips and two independent ink reservoirs at the exact same time.
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Grippy Matte Black Exterior: Crafted from high-grade anodized aluminum with a velvety, stealth-black finish that provides enhanced tactile grip and a sleek, modern look.
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Zero-Waste Capillary System: Features two reusable internal wick reservoirs that absorb fountain pen ink directly from the bottle, eliminating single-use plastic waste.
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11-Piece Full Creative Tip Set: Shipped with a comprehensive matrix of professional, interchangeable Japanese-made tips that you can swap out at will:
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Fineliner Tips: 0.1, 0.2, 0.3, 0.5, 0.8, and 1.0.
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Felt-Tips: Chisel, bullet, and a flexible artist's brush tip.
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Daily Writing Tips: Hard-point 0.3 and 0.5 options.
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The Ultimate Studio Unboxing: Arrives beautifully packaged with the Matte Black Duo pen body, the full 11-tip creative matrix, 2 reusable internal ink reservoirs, and a 3ml starter sample of Deep Black ink.
🛠️ Technical Specifications
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Brand: Tom's Studio
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Series: Lumos Pro
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Model/Color: Matte Black
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Product Type: Duo Tip (Double-Ended) Refillable Fineliner & Brush Pen
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Body Material: Anodized Aluminium
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Weight: 20g
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Dimensions: 155mm Length Capped | 145mm Length Uncapped | 10mm Pen Barrel Diameter
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Ink Compatibility: Standard Dye-Based Fountain Pen Inks
Why Choose the Lumos Pro Duo Tip in Matte Black?
The Lumos Pro Duo is the ultimate instrument for the fast-paced artist, architect, or journaler who refuses to compromise between efficiency and eco-friendly design. By adapting one beautifully machined, matte black aluminum barrel to carry two independent tips at once, it delivers a massive "stroke of brilliance." It successfully condenses an entire pencil case of disposable plastic liners into one indestructible, striking, double-sided creative workhorse.
"The Matte Black Duo is the absolute king of utility in the Tom's Studio lineup. Because it holds two tips simultaneously, it's incredibly efficient for sketching on the go. Pro tip: Since the Duo contains two separate internal ink reservoirs, you aren't limited to just one color! Try filling one end with standard black ink paired with a fine 0.2mm tip for your clean linework, and fill the opposite end with a beautiful shading grey or warm sepia paired with the flexible brush tip for instant depth and shadow layouts!"
| Brand | Tom's Studio |
| Can Engrave | No |
| Cap Mechanism | Insert |
| Cap Can Post | No |
| Colors | Black |
| Complimentary | Packaged in a box which contains the Lumos Pro pen, the Full Creative Tip set, one ink reservoir, and a 3ml sample of Deep Black ink |
| Design | Matte |
| Dimension | 5.7" L x 0.4" D |
| Filling Mechanism | Refill |
| Grip Material | Aluminium |
| Has Clip | No |
| Length Capped | 6.1" L |
| Length Posted | No |
| Material | Aluminium |
| Refills & Inks | Tom's Studio Ink Bottle |
| Retractable | No |
| Series | Tom's Studio Lumos Pro |
| Type | Fineliner |
| Warranty | Lifetime Technical Support |







