Top selling Wedding Band Ring 7mm-8mm for men or women. This beautiful silver tone tungsten carbide ring with blue color Celtic knot weave inlay design is 8MM in width. It is beveled high polish and with a matte finish raised center. If you are looking for a ring that is scratch proof and forever keep its shine, than our Tungsten Carbide rings are for you. Tungsten Carbide is ranked second hardest next to diamond on the Mohs scale, diamond being a 10 followed by Tungsten Carbide as 9. Hypoallergenic. Our rings will not cause skin irritations or turn your fingers green. Due to the Hardness of Tungsten, these rings can be laser engraved, but not hand engraved. They CANNOT be stretched. Men's Tungsten Wedding Bands / Celtic Wedding Band Rings Silver and Blue. (Good news! Matching couples rings in width sizes 2mm, 4mm, 6mm, 8mm, etc. may be available for this style. Please check other product listings)