King Will 7mm 8mm Black Tungsten Carbide/Titanium Ring Domed Engagement Wedding Band Comfort Fit Arc design is the most primitive prototype ring, still classic and popular style. Perfect for wedding ring, as a substitute for your precious ring, suitable for daily wear. Classic, Weighty and Durable, Great workmanship on matte finish & dome style, classic and never outdated design King Will's jewelry box, save your giftwrap service fee, and help you store the ring much safer & longer. If you have any question, please post into "Customer Questions & Answers" at the bottom of this page.