Nipple Barbell / Nipple Jewelry With A Victorian Key Design Jewelry Features Detailed A Victorian Key Design With Synthetic Opal White Heart Shaped Synthetic Opal On The Bow Of Key 316L Stainless Steel Shaft Jewelry Is Partially Plated In Black For An Antique Look Bar Thickness : 14Ga | 1.6Mm Bar Length : 9/16" | 14Mm Key Bow Size : 15 X 11Mm Material : 316L Stainless Steel, Zinc Alloy, Synthetic Opal