4mm Brushed Tungsten Carbide Ring — The Reed
4mm Brushed Tungsten Carbide Ring — The Reed
Measure the inside edge-to-edge of a ring you already own for the most accurate result. For wider bands (8mm+), sizing up is usually the safer choice.
Ring Sizing FAQ
We recommend sizing up. A ring that's slightly loose is more comfortable than one that's too tight, especially for wider tungsten bands.
Yes — fingers can swell slightly in heat and shrink in cold. Measure at room temperature, ideally in the evening when fingers tend to be at their largest.
Yes — wider bands (8mm and up) tend to fit more snugly than narrower ones at the same listed size. If you're between sizes and ordering a wide band, size up.
Yes — your first size exchange is free within 30 days of delivery. You cover the cost of shipping your ring back to us, and we cover the cost of shipping your correct size back to you. See our Free Size Exchange Policy for full details.
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- Lifetime Warranty
- Free Shipping Worldwide
- Free Custom Engraving
- Free Size Exchange
A 4mm tungsten carbide ring with a brushed surface and polished edge, designed as a classic, understated wedding band for men and women. The slim width and simple finish keep the design versatile, suited to an engagement ring, a wedding band, or everyday wear.
A Simple Finish Built to Last
The brushed surface and polished edge are both set into the tungsten carbide itself, so the contrast between the matte center and defined edge holds up through years of daily wear without dulling or needing to be re-polished. At 4mm, the narrower width keeps the design slim without sacrificing durability.
A Practical Choice for Everyday Wear
With no inlay or added color, there's little to maintain beyond basic cleaning, making this a straightforward option for anyone who wants a dependable ring they don't have to think about day to day.
Details
- Width: 4mm
- Material: Tungsten carbide
- Finish: Brushed surface, polished edge
- Style: Unisex
- Warranty: Lifetime Limited
- Resizing: Not resizable — free first size exchange included

Why Choose TungstenNation
Full Transparency
What's Actually Inside Your Ring
No vague "premium materials" claims. Here's exactly what makes up every TungstenNation ring, layer by layer.
Tungsten Carbide Core
The structural body of the ring. This is where the hardness comes from — rated 8.5–9 on the Mohs scale, which is why it resists scratches that dull softer metals over time.
The Binder
Pure tungsten is too brittle for jewelry, so it's fused with a binder metal to hold the structure together. We disclose which binder is used in every listing — nickel or cobalt — instead of leaving it out.
Surface Finish
Color and texture (brushed, polished, matte) are set into the surface during manufacturing, not sprayed or plated on top — so it doesn't chip or fade with daily wear.