5/8" = 16mm 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 5/8" (inch) or 16mm (milimeters) Stainless Steel Silver Color with Prongs Setting Screw-on / Fit Back