9mm Septum Ring / 9mm Hoop Earrings for women: 20 gauge (thickness: 0.8mm), inner diameter 9mm ( 23/64 inches ). 20 gauge is very thin, suggest you to wear it when staring yourself in the face in the mirror or ask someone to help you wear the ring. 9mm Hoop Nose Rings For Women and Men / 9mm lip rings: 316L surgical steel, polished very well, comfortable to wear without sharp edge. Sold individually. It can be used as nose rings hoop, septum jewelry - septum ring / septum clicker, lip rings, helix earrings, cartilage earring, rook earrings, ear lobe earrings hoop. Saves time - easy to open and close the click closure by hand, Not require a tool.And it's still tight after long-term use, needn't to worry about lost when bathing, walking or exercising. Big Nose Rings Hoops for Women 20g 9mm Nose Hoop 20 Gauge Septum Rings 18k Gold-plated Cartilage Earrings Hoop Lip Rings Helix Rook Nose Piercing Jewelry Surgical Steel Septum Jewelry