Just for him, this stealthy wedding band is his sleek style. Crafted in black ion-plated tantalum - a dense metal that is non-reactive and easily worked - this 7. 0mm-wide design features a satin-finished center stripe, diagonal grooves and polished edges. Buffed to a brilliant luster, this wedding band makes his day extra-special. Custom-made to fit his ring size. Tantalum bands cannot be resized after purchase.