Color: Rainbow; Gauge: 18 G(1.0 mm); inner diameter 3/8"(10 mm); sold individually Material: Made of 316L surgical steel; polished very well; comfortable to wear; no sharp edges Easy to Use: The hinge segment ring is easy to insert by hand without a tool. The closure is seamless. It's still tight after long-term use, don't worry about lost when working, walking or exercising Multi-function: It can be used as nose ring hoop, septum ring, ear lobe earring, helix earring, cartilage earring, conch earring, rook earring, daith earring, tragus earring, snug earring, lip ring, etc Stylish triple laps hinged segment rings make you unique; suitable for women and men Women and Men Piercing Jewelry