The Torrance tungsten carbide ring is a bold 10mm wide. These black tungsten rings feature a black satin finish to reduce glare. A single high polished 18k rose gold plated offset groove runs along the outside perimeter of the band and provides a bold sense of style. The comfort fit interior features a high polished 18k rose gold plating to provide a balance of luxury. Free Lifetime Warranty and Lifetime Sizing; pay no restocking fees or deductibles!