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. Scratch proof, forever keeps its shine. Crafted from durable, genuine Tungsten Carbide metal. Tungsten rings are ranked second hardest next to diamond. Cobalt-Free and hypoallergenic: will not cause skin irritations or turn your fingers green. Comfort-fit: contoured inner surface for a more comfortable fit with everyday use in mind. Measures in width: 8 millimeters. Can be laser engraved, but not hand engraved. Can be used as a wedding band, engagement or promise ring. Comes with complimentary ring box.