8mm Tungsten Carbide Triple Grooved Silver-colored Flat Ring Wedding Band (Ltd Sizes & Quantities) Designer 8mm Silver-Colored Tungsten Carbide Band with 3 Grooves - Great Valentine's Day gift! We do not offer engraving, but you are more than welcome to take it to a local jeweler for engraving. Not Resizable - Please verify size before purchase. Shape: Flat with rounded edges; Finish: Ultra High Polish Comfort Fit Band