This is an Excellent Quality Tungsten Ring, It's Cobalt Free to avoid allergies and it has the Carbides to make it Scratch Resistant. The diamonds that we use on the ring are both Brighter Larger and Generally Better Quality than of most our competition, yet we've priced them less than most. An excellent Unisex ring and its available in more sizes than most anywhere. TO ORDER THE SIZE OF THE SECOND RING please contact us thru the "contact seller" link, and let us know the size you wish.Carbide to make it Scratch Resistant. An excellent Unisex ring and its available in sizes J to S.