18g 10mm septum ring / 18g 10mm nose hoop: 18 gauge (thickness: 1.0mm), inner diameter 10mm ( 25/64 inches ). Please check the inside diameter carefully. Big hoop nose rings for higher nostril piercing of 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, 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. Big Nose Rings Hoops for Women 18g 10mm Nose Hoop 18 Gauge Septum Rings 18k Gold-plated Cartilage Earrings Hoop Lip Rings Helix Rook Nose Piercing Jewelry Surgical Steel Septum Jewelry