10pcs Sterling Silver Italian Trigger Lobster Clasp Connectors 12mm With Jump Ring for Jewelry Craft Making SS25-CC Material: solid 925 sterling silver, 925 stamped; silver is hypo-allergenic material - good for sensitive skin Clasp size: ~ 12mm long x 5mm wide (or ~ 0.47" x 0.2"); Strong medium size clasp Jump ring size: ~4.0mm Quantity: 10pcs 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.