A unique piece of jewelry, this blue wood inlaid Tungsten Carbide ring is a worthy possession for any man to own. Rely on the sturdy tungsten metal for a durable piece of jewelry that stands up to the rigors of continuous wear for years to come. Scratch-proof, forever keeps its shine. Dome shaped, high-polish finish. Real wood inlay in blue. 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.