Steam sterilized implant grade titanium threadless labret with prong set gem. These little labrets have a 2.5mm base, and are perfect for nostril, lip or cartilage piercings. Ti-6AL4V-ELi ASTM F-136 TITANIUM Each piece is individually wrapped, and labelled with the size, lot number, and expiry date. Steam sterilization has a shorter expiry date than the EO Gas sterilization, the labret studs currently have the following expiry dates: 20 Gauge X 8mm X 3mm November 2026 18 Gauge X 6mm X 2mm April 2027 18 Gauge X 7mm X 2.5mm June 2027 18 Gauge X 8mm X 2mm May 2027 18 Gauge X 8mm X 3mm April 2027 16 Gauge X 8mm X 2mm (3mm base) June 2027 16 Gauge X 8mm X 3mm (3mm base ) July 2027 Threadless Hole Size: 0.55mm Sold by the piece.