9/16" = 14mm Steel Clear Solid CZ Screw-on / fit Plugs Prongs Setting Ear Retainers 1 Pair Solid Clear Cubic Zirconia Crystal Nickle Free Surgical Steel Grade 316L Size 9/16" (inch) or 14mm (milimeters) Stainless Steel Silver Color with Prongs Setting Screw-on / Fit Back