* Metal: Sterling Silver * Outside Dimension: 7 mm * Inside Dimension: 5.22 mm * Thickness: 19 Gauge * Wire Shape: Round * Jump Ring Shape: Round * Finish: Shiny * Jump Rings and Split Rings: Closed Jump Ring Our closed .925 sterling silver jump rings are the same as our matching Open Jump Rings, but they've been soldered shut. Use these precisely calibrated rings in combination with open rings for stronger chain maille weaving, creating wirework components, or for more elaborate necklace elements in pendants or earrings. Pre-made, closed jump rings are a time-saving foundation in jewelry design, where their precise size and strength helps take the guesswork out of your custom pieces! Outside Diameter: 0.275" | 7.0mm Inside Diameter: 0.205" | 5.22mm