16 Gauge 304 Stainless Steel Jump Rings are an essential for any jewelry maker or crafter. GREAT for angles These Jump Rings are open. They are 7 mm in diameter by 1.2 mm in thickness. Jump Rings are often used as a connector for charms, pendants, and such for chains and bracelets. Silver toned stainless steel Lot Size MUST be chosen in the variation drop-down box located under the title of this listing. If you need more than what is listed, send me a message and we will set a deal up.