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. Personalize it by specifying up to 25 letters & spaces for laser engraving inside. 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. Limoges Tungsten is a full 48% Tungsten Carbide.