Men's Black Tungsten Wedding Band With Blue Groove and Inside - 8 mmA refined take on classic wedding bands, this tungsten ring provides the perfect opportunity to express the uniqueness and everlasting nature of a relationship. On the matte black surface of the exterior, a thin groove with a bright blue color adds contrast and an eye catching accent to the design. The interior boasts the same color, with a gleaming polished finish. Measuring 8mm in width, this tungsten ring is a fantastic choice for a groom to be who