8mm Comfort Fit Tungsten Ring with Matte Center, Sizes 5 to 15 Brushed Satin Matte Center Frames the High Gloss Polished Beveled Step Comfort Fit Tungsten Ring is 8 Millimeters or .31 Inches Wide Four Times Stronger than Titanium, Second in Hardness Only to the Diamond Will Keep its Shine for a Lifetime, Resists Scratches, Nicks, Pitting and Corrosion Tungsten Carbide is Hypoallergenic; Contains No Cobalt; Proudly Made in America; Comes in an Angel Blue Gift Box