6 Genuine Swarovski Crystals set into ASTM F136 Implant Grade Titanium by Anatometal. One end is fixed and the other can be removed for insertion. Anatometal offers a lifetime warranty against manufacturer defects and gem discolouration so this piece will last a lifetime. The Titanium setting can be anodised to a different colour by request. Manufactured and hand polished in Santa Cruz, California, USA.