Mens Womens Stud Earrings Stainless Steel Illusion Tunnel Plug Screw Back with Black Marble, 2pcs Metal: Stainless Steel Stone Size: 5MM(0.2") Gauge Thickness:1.2MM(0.05") Dimension: 8MM(0.31")wide x8MM(0.31")long x4.8MM(0.18")thick Package: Jewelry Box with Brand Name COOLSTEELANDBEYOND