2pcs 16g 10mm Septum Ring / 10mm conch hoop: 16 gauge (thickness: 1.2mm), inner diameter 10mm ( 25/64 inches ). Please check the inside diameter carefully. Hoop Nose Rings For Women and Men: 316L surgical steel, polished very well, comfortable to wear without sharp edge. Sold by a pair. It can be used as nose rings hoop, septum jewelry - septum ring / septum clicker, lip rings, helix earrings, cartilage earring, rook earrings, conch piercing 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. You can contact us at any time if you have any questions.