Frank S.Burton 4mm 6mm 8mm Mens Black Wedding Bands Tungsten Rings Matte Brushed Beveled Edge Comfort Fit Size 4-13 Black tungsten carbide wedding ring, comfort fit for men and women Workmanship: black matte brushed surface beveled edge, 4mm 6mm 8mm width for couples who desire a matching set Best value: unisex tungsten wedding band, accurate size & anti-allergic to your finger, best gift for engagement, wedding, promise, Christmas, valentine's day Durable & Heavy: tungsten ring would never bend, it is strong and tough Service and Insurance: friendly customer service and life-time quality guarantee including 30 days money back and exchange