Implant grade ASTM F136 titanium threadless top by Neometal with a bezel setting — the Sapphire Blue Austrian cut cubic zirconia is fully surrounded by titanium for a smooth, flush finish. Rich, classic blue. 1.5mm top, designed specifically for nostril piercings on a 1mm (18G) threadless labret. Not suitable for standard 1.2mm posts. Thr...