Pick your favorite color or get them all to match your favorite outfits. These Comfort-fit men's Tungsten Carbide rings feature vibrant colors in the grooved center and interior band.Choose color: Blue, Red, Green or Purple.Black brushed finish with grooved center and high polish beveled edges.The 8-millimeter wide band features a contoured inner surface for a more Comfortable fit with everyday use in mind.Tungsten is four times as sturdy and strong as titanium and features a scratch-resistant finish.Cobalt-complimentary and hypoallergenic.Will not cause skin irritations or turn your fingers green.Includes a complimentary jewelry ring box best for Presentation and protection.