>Earring backs metal: 316L sugical stainless steel, hypoallergenic for sensitive skin. Nickel free and lead free >6 Pairs 4mm Screw ball backs(3 pairs
6 Pairs Screw Ball Backs & 6 Pairs FlatBacks 316L Sugical Stainless Steel Earring Backings Replacement Hypoallergenic for Secure Comfortable Screw
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