5 pairs Genuine Sterling Silver Ear Stud Earring Posts 3.5mm Ball with Loops Earnut Safety Clutches Backs SS17 Material: solid 925 sterling silver (925 stamped), silver is hypoallergenic material - good for sensitive ears Quantity: 10pcs=5 pairs, (each comes with Earring Backs or Ear Nut) ball/dot size: ~ 3.5mm (or ~ 0.14"); open loop is attached to the ball/dot; The pin attached to the setting area is ~ 11mm (0.43") long and ~ 0.76mm (~21 gauge or ~0.03") wire - standard size earring post, great for holding light and medium weight, not Heavy weight color: silver Top Quality Sterling Silver Guarantee  All our sterling silver jewelry supplies is coated with a clear protective coating to help prevent silver from tarnishing  Hassle-free returns only if the purchase is made with Adabele. Adabele is a registered brand with the US Patent and Trademark Office. Other sellers with a new listing are not authorized by Adabele to sell this product. They are known to offer counterfeit, imitation products that are not authentic Adabele products.