16g 16 gauge 1.2mm 5/16 8mm steel circular barbell horseshoe bar ring lip tragus studs eyebrow AMMD 5Pcs Type::::Body piercing jewelry Number of Item(s):::: 5 pieces Product Materials::::316L Surgical Stainless Steel Gauges::::16g (1.2mm)::::Length, Diameter:::: 5/16 Inches (8mm)::::Ball Size:::: 3mm Steel Cones With O-Rings Body Piercing Parts ::::Lip,Tragus,eyebrow