This titanium, Brushed, doubly grooved, ring; has a shank width of 7mm. This ring is a Comfort Fit, which, as it's name suggests, is extremely comfortable to wear. Titanium is a very lightweight metal weighing only one-third the weight of gold. It is a hard and durable metal. It is hypo-allergenic, perfect for those with sensitive skin, making it the metal of the new millennium. Available from ring sizes 5 to 15.