Benchmark Black Cobalt Men's Wedding Band-9.0mm
Blackened Cobalt is simply Cobalt but with a PVD process applied to it. The composition of Black Cobalt is no different than that of basic cobalt. Black Cobalt is also hypoallergenic, making it an ideal choice for those with sensitive skin or an active lifestyle.
This ring is in 9mm with blackened cobalt in the center with a white cobalt beveled edge.