Ring made of tungsten carbide Tungsten is a very hard carbinate that is scratch resistant Attractive medium grey tone highlighted with a polished finish A great alternative to the traditional wedding band Slightly domed band measures 5.5 mm in width and has a comfort fit interior design Band weighs approximately 10.85 grams Due to the contours of the comfort fit band, you may wish to order the smaller 1/2 size if you are in between sizes. All carat weights and measurements are approximate and may vary slightly from the listed information. This ring cannot be resized. Click here for Ring Sizing Chart