Give him a little jewelry therapy with this spinner band meticulously crafted of tough Tungsten. Deeply ridged with a soft brushed finish, the center spins freely around the flat inner polished band for a calming effect. Band is 6mm (1/4") width. Tungsten, from the Swedish word for "heavy stone," is considered the hardest of all metals. It is tarnish- and scratch-resistant with a durable, long-lasting finish. Our Tungsten is a full 48% Tungsten Carbide. Available in full sizes, 7 thru 12.