Package Include -- You will receive 3 pcs 3 sizes brass split rings, size1: about 2.5x0.8mm, inner diameter: 1.8mm, size2: about 3x0.8mm, inner diameter: 2.2mm, size3: about 4x0.8mm, Inner Diameter: 3.3mmHigh Quality Material -- Our adjustable ring bases are made of high quality brass, light weight, easy to carry, strong and shiny, delicate and beautiful, reusable, can stand the test of time, and are a decorative addition to any kind of jewelleryEye-catching Appearance -- These brass split rings are designed in gold color appearance, 18k gold plated opening ring, brilliant, shiny and attractive, and provide better security so your DIY projects won't fall offDouble Ring Design -- With double ring fastening design, it is very strong and perfect for attaching clasps, charms, chainrings and other jewellery, no need for soldering as they are just like keychain ringsWide Applications -- 18k gold plated split ring can be used as connectors where a single ring is required. Not only can be used for necklaces, bracelets, anklets as connectors. It can also be used for labels, crafts, artwork, etc