MNH Tungsten Ring Men Wedding Bnad 8mm Black Plated and Blue Carbon Fiber Inlay Size 7-13 Inlaid black & blue carbon fiber, beveled edge, polished & black plated inner,make you feel stylish and comfort fit. Perfect 8mm width, Durable, Scratch-proof. Heavyweight Hard tungsten carbide. Warranty for long life. If you have any questions, you can post into "Customer Questions & Answers" at the bottom of this page or feel free to contact us.