This ring CANNOT be resized This tungsten ring features a brushed finish in the raised center and a polished finish on the edges. Crafted of cobalt-free tungsten carbide, the ring has beveled edges for a comfortable fit. Material: Tungsten Features: Highly Scratch-resistant, tungsten is four times harder than titanium Impact: While extremely hard, tungsten may crack if struck at high impact Band dimensions: 7 mm Styling: Beveled edges Comfort-fit band: Contoured on the inner surface for a more comfortable fit, comfort-fit bands run approximately .05 size larger than other rings. The next smaller size is suggested. All weights and measurements are approximate and may vary slightly from the listed information. See Treatment Guide for further information.