Built for a lifetime.

Tungsten carbide is the hardest ring material we stock. Here's why it doesn't scratch, bend, or tarnish.

9MOHS

Scratch-proof hardness

Sits just below sapphire on the Mohs scale. 4× harder than titanium, 10× harder than 18k gold — the ring looks identical on day 10,000 as day one.

2x

Heavier than gold

Pressed from tungsten carbide powder at 2,000°C, precision-CNC'd. Real weighted feel — nothing hollow, no plating to wear through.

∞

Lifetime warranty

If the metal ever cracks or breaks, we replace it under our lifetime structural warranty (plating, inlays and coatings excluded). One-time size swap free in the first 60 days. Return postage is at the customer's cost.

In the box

  • Jewellery boxBranded presentation box — gift-ready out of the parcel.
  • Free ring sizerPlastic finger-sizer included, so you nail the fit first time.
  • Lifetime warrantyLifetime structural warranty on in-stock modern-metal rings. Plating, inlays, resin and coatings excluded. Return postage is at the customer's cost.
  • Free exchange*Free swap on rings over $99 ($10 fee under $99). Tracked shipping on dispatch.

Dispatch

Ships from Australia with tracking.

The details.

Twin grooves add definition to this 7mm polished tungsten carbide ring, a clean wedding band for men. Tungsten carbide resists scratches well, so the surface keeps its look. Pick your US size with care: tungsten carbide cannot be resized. It also makes a practical gift for a groom or an anniversary.

Specifications

  • Material: Tungsten Carbide
  • Width: 7mm
  • Finish: Polished
  • Sizing: US sizes shown first; choose your size on this page

Delivery

Every order is sent with tracking. In-stock orders are usually dispatched within 1–2 business days (Monday to Friday). Delivery time depends on your country. Prices are in US dollars.

Browse related: Men's Wedding Bands | Men's Tungsten Rings | Men's Rings | Shipping & Delivery

The specs.

Width
7mm
Material
Tungsten Carbide
Finish
Polished
Edge
Domed
Available sizes
7 / N.5 – 14 / Z+3

Not sure of your size?

Tungsten can't be resized — but in a true emergency it can be safely cut off. Best to nail the fit the first time.

What 10 owners actually say.

Average 5.0 / 5 across 10 verified reviews.

Rick M.
2023-07-09
I originally purchased this ring for my partner a few years ago. He accidentally knocked it off the bathroom vanity & it shattered. MRO helped me find the original order, style & size & it was shipped out in under a week. Thanks so much for all the help. The customer service is beyond amazing. Thank goodness for the Lifetime Warranty. My partner is so very happy
Jennifer C.
2021-10-04
I got this ring for my fiancé as a anniversary present and he absolutely loves it. It fits him perfectly and hasn’t taken it off since.
Bradley B.
2020-11-21
Great service, received in record time product and size was everything expected. Highly recommended
Rick M.
2020-04-26
This is my second purchase from MRO. Can’t be happier with the service.
Brooke S.
2019-12-27
Excellent quality, shipping was incredibly fast especially considering the time of year purchased.
Nicole T.
2019-01-14
We ordered this mid last week and recieved it today. We were unsure on size to order as told 3 different sizes by local jewellers but we went with our gut and ordered the biggest of the 3 sizes told to purchase. We absolutely love it, goes beautifully with mine the service was fast and we felt safe purchasing from this site as we read so many awesome reviews. Thank you everyone it's so perfect and has that weight to it. :blush:
Stephanie W.
2018-05-12
My partner loves his twin groove ring and the service was amazing
Anndrette T.
2018-04-21
Good service
Wendy T
2015-07-30
Beautiful ring! Exactly as pictured and described but honestly, it is so much more beautiful in person. Bought this as an anniversary gift and will definitely be back to purchase our wedding bands. Thank-you so much for the service and the exceptionally fast delivery. I needed it urgently so paid for express and you delivered as promised. Thanks again. I'll be back!
Kirsty
2014-06-24
Thank you so much for your prompt service,we received our ring within 4 days of ordering, the ring is exactly as shown in the picture but unfortunately too big for my husband to be. The process of exchanging for a smaller size was so easy, and I actually received the new ring only 1 day after posting back the other. Will definitely recommend Mens Rings Online to anyone. Thanks again Kirsty