Product Details16 Gauge 5/16 Aurora Gem Threadless Labret Monroe Tragus This 16 gauge lip ring is not just a beauty, it is also multi-purpose. It is made with an 8mm durable 316L surgical grade stainless steel post with a flat disc end. It also features a threadless end that is set with a round aurora gem for comfortable insertion and removal. You can even rock it in multiple piercings including lip, monroe, tragus, helix, and some conch piercings. Thoughtful details, style, and plenty of purposes.....this cartilage piercing jewelry really does have it all.Specifications16 Gauge (1.2mm), 5/16" (8mm), Threadless, 316L Surgical Grade Stainless Steel Post, 4mm Flat Back