Another unique design of Sergio Gutierrez are his Liquid Metal rings. They are made of nickel, measure 3/4 inches wide and come in ring sizes 6, 7 and 8. As with all the other Liquid Metal jewelry, this ring feels great to wear and has a one of a kind look.Questions? Click 'ask' below to send us a quick email message. Please reference the item in your message.) Or, call us at the phone number at the top of this page.