Double Groove Black Tungsten Wedding Band — The Ridgeback
Double Groove Black Tungsten Wedding Band — The Ridgeback
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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A men's 8mm black tungsten carbide ring featuring a double groove design set into a brushed surface, built as a wedding or promise ring. The two parallel grooves run across the band, adding structure and a distinct line pattern that a single-groove or flat design doesn't have.
Two Lines, Cut Into a Ring Built to Hold Them
Both grooves are machined directly into the tungsten carbide, so they hold their clean, defined edges through years of daily wear rather than wearing down or softening over time. The brushed black surface between the grooves resists showing fingerprints and light marks better than a fully polished finish.
Specs:
- Width: 8mm
- Material: Black tungsten carbide
- Design: Double groove
- Finish: Brushed
- Fit: Comfort-fit interior
- Style: Men's
- Warranty: Lifetime Limited
- Resizing: Not resizable — free first size exchange included
FAQ:
Will the double groove design hold its definition over time?
Yes — both grooves are machined directly into the tungsten carbide, so they hold their clean lines through years of daily wear.
Is this a good choice for a promise or engagement ring?
Yes — its distinctive double groove design and durability make it a meaningful, low-maintenance choice for marking a promise or engagement.
Will the brushed black finish show fingerprints?
No — a brushed finish is generally more resistant to showing fingerprints and light surface marks than a fully polished band.
Can this ring be resized if it doesn't fit?
Tungsten carbide can't be resized after manufacturing, but the first size exchange is free — check our Size Guide before ordering to get an accurate fit.
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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.