Kana black tungsten rings with silver beveled edge in a 10mm width. The best-selling kana black rings are also available in many widths for men.
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.
Kana silver edges black tungsten rings is also made in 12mm Kana black statement rings.