200pcs Top Quality Crimp Bead Knot Cover 4mm Sterling Silver Over Copper #CF9-4 Material: Sterling silver plated brass; brass provides good formability, high workability and durability, and resistance to corrosion in comparison to other metal alloy Bead size: ~ 4mm (or ~ 0.16") Quantity: 200pcs quality: AAA Top quality product guaranteed and hassle-free returns only if the purchase is made with Adabele. Adabele is a registered brand with the US Patent and Trademark Office. Our logo, company name and brand are all intellectual property of Adabele LLC. 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.