Presenting this magesticaly unique Tungsten Carbide black wedding ring for men. Featuring "red fire" crushed Opal gemtones inlayed on a well crafted and very Comfortable to wear band.scratch-resistant, forever keeps its shine.Red fire crushed Opal inlay.Cobalt-complimentary and hypoallergenic: will not cause skin irritations or turn your fingers green.Comfort-fit: contoured inner surface for a more Comfortable fit with everyday use in mind.Measures in width: 8 millimeters.Can be laser engraved, but not hand engraved.Can be used as a wedding band, engagement or promise ring.Comes with complimentary leather ring box.