Material: Our double jump rings are made of solid 925 sterling silver, it won't bend out of shape, good for sensitive skin, all our sterling silver jewelry supplies is coated with a clear protective coating to help prevent silver from tarnishing, sturdy and durable for a long time use.Size: You will receive 80 pcs 24 Gauge mini double loops split jump ring is about 3.5mm in diameter, 1mm thick and the single wire 0.5mm in thickness, Inner diameter 2.5mm. Proper size to make charm dangles.Double Loop Design: These split jump rings feature with double loop and spiral design, the wire loops have sufficient tension and can easily restore to their original shape, which makes your items will firmly stay in the rings. These splitters are good for connecting any of your jewelry needs securely.Easy to Use: Flexible split jump rings have sufficient tension, it would be bettert if you have a split ring opener tool, simply insert the jump ring in one of the slots and twist to open and close, super convenient, can protect your fingers and increase strength, great tool for jewelry makers.Wide Application: The double split jump rings connectors are great for DIY your unique jewelry. Suitable for suspending small items from delicate earrings, necklaces, chokers, bracelets, anklets, key chain, and other jewelry projects.