Product Details18 Gauge 7/16 316L Surgical Steel Precision Hinged Segment Hoop Simple style, a simple look, it's simply fantastic when you're rocking this 18 gauge septum ring. It's made with an 11mm durable 316L surgical grade stainless steel hinged circular ring. Perfect for those who need a smaller gauge with a larger diameter, it features a non-removable, hinged segment that makes insertion and removal a breeze. Hinged segment ring piercing jewelry provides a seamless look and can be used for nipple, septum, lip and cartilage piercings as well as many other ear piercings based on size requirements. If you need jewelry, the answer is simple with this understated piercing jewelry.Specifications18 Gauge (1.0mm), 7/16" (11mm), Precision Hinged Closure, 316L Surgical Grade Stainless Steel