SPIKES 316L Stainless Steel Roman Numerals Ring. This Roman Numerals ring features the numeric system created by the Romans. Stainless steel unisex ring available in sizes 5, 6, 7, 8, featuring an 8mm band width and 9, 10, 11,12,13, and 14 with a 8mm band width. Couple rings are a great way to showcase your love for one another and join you together. SPIKES stainless steel jewelry is a trendsetting 316L jewelry collection created for today's stylish men and women who want leading-edge jewelry designs. SPECIFICATIONS: 316L Surgical Grade Stainless Steel, Available in sizes 5, 6, 7, 8, 9, 10, 11,12 and 13