Chromed Surgical Steel that will make your navel shine with it's beautiful Cubic Zirconia gems. • Press Fit (Bezel Set) CZ Balls • Curved bar with uneven sized balls (smaller on top & larger on bottom) • The bottom ball is fixed and only top ball screws off • Available in many popular colors • Bar Thickness : 14 GA (5mm) | 1.6mm • Bar Length : 3/8' - 1/2' | 10 - 12mm • Ball Size : In combination of 4x6 or 5x8mm • Thread Type : Externally Threaded • Material : 316L Stainless Steel; Cubic Zirconia