The ManhattanCobalt Chrome men's wedding band with beveled edges and a satin brushed finish featuring a whiskey barrel sleeve. The Cobalt Chrome we use is an aerospace grade alloy which is specifically used for its strength in applications with high temperatures, such as jet engine turbines and afterburners. It is a highly durable metal with a higher scratch resistance than other metals. This metal is used in in making medical devices so it is hypoallergenic.