High Quality Material: the metal double jump rings are made of quality brass and plated with 24k gold high texture and gloss not bend out of shape easily lightweight and comfortable to touch sturdy and durable for a long time use 4 Sizes Round Split Rings: package includes 100 metal double jump rings in 3 sizes OD/ID 8mm/6.3mm 6mm/4.5mm 5mm/3.5mm and 4mm/3mm 20~24 gauge; each size 25pcs. Tightly closed firmly hold another ring to provide stable support for items Easy to use: the split jump rings are easy to open and attach charms on easily restore to it's original shape with sufficient tension perfect for handmade project whether to make chainmail armor try out new weaves or make spectacular jewelry items Multiple Usages: the small round split jump ring can be used as a connector where a single ring is desired more solid than a single ring. Widely used on jewellery making arts fishing DIY crafting handmade projects and so on Wide Applications: the golden split rings are perfect connectors for house keys car keys pet tags hang cards zipper pulls windchimes; also great for making earrings bracelets charms necklaces pendants jewelry and DIY crafts etc