This is a USA made comfort fit 7 mm Titanium Ring that has 2 Grooves and a 1 mm Sterling Silver Inlay with a Unique Sandblast Finish, making this ring One of a Kind! This unique finish is truly striking because it brings out the constrast between the silver and the titanium. This ring is avaiable in sizes 4-17 in whole, half and quarter size increments. If you have any questions, please feel free to contact us!!