Cobalt is a contemporary metal formulated to achieve a brilliant and white color very similar to platinum. This men's comfort fit ring is crafted of solid cobalt and has a beveled edge for a discriminating look. The ring is 8MM wide and has a dual finish (i. e. satin center with polished edges). Available in size 7 through 13 (whole and half sizes). Cobalt chrome is strong, corrosion resistant, hypoallergenic, highly scratch resistant, will not tarnish, oxide or change colors and is exceptionally comfortable to wear.