Rainbow / Iridescent Cz Round Shaped Cz Set With Four Prongs Jewelry Can Be Worn As Cartilage, Tragus, And Earlobe Earring Bar Thickness : 16Ga | 1.2Mm Bar Length : 1/4" | 6Mm Cz Size : 4Mm Ball Size : 3Mm Thread Type : Externally Threaded Material : 316L Stainless Steel, Cubic Zirconia