MNH Tungsten Ring Men Wedding 4mm Women Matte Brushed Bands Engagement Polished Size 4-12 Two brushed matte finish bands, classy domed edge, high polishing inner,make you feel stylish and comfort fit. Perfect 4mm 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.