King Will Duo 10mm Black Brushed Blue Tungsten Carbide Wedding Band Ring Polish Finished Comfort Fit Black Brushed Matte Surface, Blue Edge and Inner Unisex Wedding Band Classic, Weighty and Durable, excellent scratch resistant performance Great workmanship on 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.