JOVIVI 2pc 16G Stainless Steel Flexo Twist Tragus/ Cartilage Helix Earring/Stud Earrings 1/2inch This listing is for 2pc 4mm Ball Made with implant grade 316L Surgical Steel for someone whose skin is sensitive to metal. Pin Gauge:16g(1.2mm). Twist Diameter:12mm(1/2inch) Comes with a Beautiful Black Velvet Gift Bag