Mercury tungsten ring is a flat cut tungsten carbide wedding ring with a slight beveled edge. Mercury Wedding Bands Polished are best selling Forever Metals rings with a contrasting grooves. Mercury is grooved with a flat surface and comfort fit. There is also an 8mm brushed style Mercury handmade tungsten wedding bands available. Mercury, unlike Forever Metals Pluto style, has separated the two surface finishes with a groove rather then a step down edge. Mercury has a comfort fit and is a popular selling tungsten ring.
The Metal that is used is a Nickel Binder that is higher in quality in comparison to cobalt. Cobalt is a inferior binding agent which may darken the color of the ring over time. Cobalt is most common in lower cost tungsten rings. This is due to the rings being mass produced in countries other than the United States.