Jump rings can be used for many purposes in stringing beaded jewelry. To extend the strand bracelet, necklace or in hanging charms or beads on a string. Of course, jump rings are available in various wire sizes and ring diameters but you should choose an open jump rings or closed jump rings for your beaded jewelry. Open jump rings are rings that at both ends of the wires are not soldered permanently. You can open or close it back by bend the jump ring to the sideways. Closed jump ring could not be opened, both ends of the wire on closed jump rings soldered permanently.