Add alittle sparkle and shine with ourpurple pvd clear cz captive rings! The barbell is constructed from 316L stainless steel with titanium ion-platedpurple coating.Gauge size is 16G.Inner diameter size is 3/8" (10mm). CZ gem sizeis4mm. Sold individually (1pc), add more to your cart if you'd like more than one!For healed piercings.