16g Titanium Internally Threaded with Synthetic Opal Round Back Bezel Set Top fits M0.9/16G Internally Threaded Jewelry. Available in 1.5mm, 2mm, 2.5mm, 3mm & 4mm (Purple Opal, Blue Opal, Pink Opal and White Opal). No glue used to set gems. Manufactured from High Polish Implant Grade Titanium (Ti-6AL-4V-ELI ASTM F136). Material sourced in the USA.
