20g 9mm 9mm Septum Ring hoop/ 9mm nose rings for women and men: 20 gauge (thickness: 0.8mm), inner diameter 9mm ( 23/64 inches ). Please check the inside diameter carefully. 20g 9mm hoop nose rings for women and men: 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. Surgical Steel 18k Rose Gold-plated Nose Rings Hoops 20g Nose Hoop 20 Gauge Cartilage Earring Hoop 9mm Septum Rings Clicker Lip Helix Rook Nose Piercing Jewelry