Jewellery can be used for septum hoop,lip rings,eyebrow piercing,tragus helix earrings. Material: 316L Stainless Steel Gauge: 16G(1.2mm); Wearable Ring Diameter:6/8/10/12mm; Ball size: 3mm Simplistic and Delicate Looking, Shining by Years. Fashion and Special Package include: 8pcs horseshoe rings per pack, come with one free gift velvet bag