100x Earring Backs for Studs, Locking Earring Backings Ear Nut Stainless Steel

【Standard Size】Earring backs for studs, Size: 4mmx5mm, fits for most earrings, easy to grasp to put on or take off. 【Durable Material】: These earring backs are made of premium stainless steel material, durable and sturdy, comfortable to wear.

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