[Size] 14g 8mm septum ring / helix hoop: 14 gauge (thickness: 1.6mm), inner diameter 8mm ( 5/16 inches ), sold individually. Check inner diameter carefully and select your most suitable size. [Hypoallergenic] Thick hinged cartilage earring hoop made of 316L stainless steel. Could be long time wearing. [ Using] Can be used as septum jewelry - septum ring / septum clicker, helix earring hoop, cartilage earring hoop, lip rings, ear lobe earrings hoop, rook earrings, daith earrings, nose rings. [Fashion Body Jewelry] This hoop ring is simple and classic for daily jewelry. Easy to open and close by hand. Perfect for women, men at any age.