HSG Black Tungsten Rings for Men 6mm Tungsten Carbide Ring Brushed Center Beveled Edge Wedding Band Main material: Tungsten Carbide . This tungsten carbide wedding band is 6mm in width,beveled edge,brushed center,black plated, comfort fit.The luxurious feeling of thick precious metal is combined with comfort fit style, which makes this amazing wedding ring to be worn happily. Durable, wear-resistant and polished tungsten carbide rings maintain their initial glamorous appearance. We provide ring box free, so you can save your giftware fee, and help you preserve the ring away from destruction. Lifetime Return Service.