Chain Round Septum Clicker Hematite over 316L Surgical Steel Chain Round Septum Clicker Hematite over 316L Surgical Steel Style: Septum Clicker 316L Surgical Steel Thickness : 16 gauge, Bar Length: 8.8mm, Inside: W:9.6mm, H:9.5mm, Whole: W:15.3mm, H:13.1mm Exceptionally High Quality Jewelry!