King Will TYRE 8mm Black Domed Tungsten Carbide Ring Matte Finish Groove Design Wedding Bands Comfort Fit Classic, Weighty and Durable, excellent scratch resistant performance Perfect 8mm width, suitable for both Men and Women Great workmanship on Grooved surface and high polish smooth innerface, bring you both the Elegance and Comfort. King Will's jewelry box, save your giftwrap service fee, and help you store the ring much safer and longer. If you have any question, please post into "Customer Questions & Answers" at the bottom of this page.