This captivating men's ring is crafted of scratch-resistant Cobalt Chrome material. The band is all high polish with black and blue carbon fiber inlay and 0.05 carat blue Sapphire Stone( Stone is heat treated to improve appearance and durability).The Cobalt material is used in the medical applications such as prosthetics. Cobalt Chrome Band will not chip, break or shatter. Occasional polishing may be required. All items come with a Complimentary Ring Box.