Specification: Material : High-strength carbon steel Color : Silver Outer Diameter : 6mm Quantity : about 500pcs Condition: smooth, well polishing Usage: Decoration, connecting jewelry parts such as clasps,charms,etc. Connect acrylic and enamel beads together in long, layered necklaces, match similar or contrasting colors with glass beads. Make your own chain-mail cuff bracelets -- the possibilities are endless. Lightweight and easy to open and close Package Content :500pcs Jump rings Note : Expect count may be 1-5pcs error due to manual packing, please make sure you can accept it before purchasing, thank you!