Teardrop Moss Agate Septum Piercing Ring: Gauge size: 16G (1.2 mm); Inner diameter: 3/8" (10 mm); Color: Silver; please refer to our size chart to select the appropriate size Material: 316L surgical steel and moss agate; polished very well; comfortable to wear without sharp edge; one order includes 1pc septum nose ring Easy to Use: The hinged segment ring is easy to open and close a click closure by hand without a tool. The closure is seamless. And it's still tight after long-term use, needn't to worry about lost when working, walking or exercising Long-lasting shine: All colors of nose ring hoops are expertly plated to prevent fading and maintain their shine over time Versatile Usage: It can be used as nose rings, septum jewelry, ear lobe earrings, helix earrings, cartilage earring, conch earrings, forward helix earring, rook earrings, daith jewelry, tragus earrings, snug earrings and more