16g 8mm septum ring / 16g 8mm helix hoop:16 gauge (thickness: 1.2mm), inner diameter 8mm ( 5/16 inches ). Please check the inside diameter carefully. 16g 8mm Nose rings hoop: 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. FANSING 16g 8mm Blue Cartilage Hoop Small Hoop Nose Rings for Women 16 Gauge 8mm Nose Ring Hoop Septum Daith Helix Forward Helix Rook Piercing Jewelry 16g 8mm Nose Hoop Small Nose Piercing Jewelry