6mm wide for sizes up to 7.5 and 8mm wide for sizes greater than 7.5. Highly Polished, extremely scratch resistant, Tungsten Carbide ring, comfort fit style, with beveled edges. Worried that you might order the wrong ring size? We have a hassle free exchange policy. If the ring does not fit, simply pay BC Marketplace's low shipping and handling fee, and we will be happy to exchange the ring for the proper size. (assuming new size is in stock and that ring is in a new condition) You can also read sizing recommendations from past customers by clicking on BC Marketplace link above. Brand: Almost Forever Jewelry Style: Polished Finish Resizable: No Size/Dimensions: 15 Gift Box: Gift Bag Material: Tungsten Gender: Unisex Age: Adult