Cube Zirconia Septum Jewelry: Gauge size: 16G (1.2 mm); Inner diameter: 5/16" (8 mm); Color: Gold; please refer to our size chart to select the appropriate size Material: 316L surgical steel and cube zircon; polished very well; comfortable to wear without sharp edge; one order includes 1pc septum piercing 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 hoop 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