3mm Titanium Wedding Band/Thumb Ring Comfort-Fit Satin Finish 5/16 inch, sizes 5-12 This Is A Very Attractive High Grade Domed 3mm Titanium Ring With Brushed Finish Titanium is a very popular Metal for Men's Wedding Bands and men's Jewelry Polished Smooth and Rounded inside for a very Comfortable fit Titanium Wedding bands are Hypoallergenic, Rust Proof Very Strong and doesn't bend and misshape We Offer Accurate Sizing, as well as Very large array of sizes including half sizes