Solder-filled Sterling Silver Wire For Jump Rings 22 Gauge (5 Feet) Sterling Silver wire with solder inside, 5 feet coils 22 gauge wire, 0.64mm (0.025") diameter, 60 inches long Melt 1315 degrees F, flow 1500 degrees Use for all sterling silver jump rings and chain 1 specified buys one five foot section , 3 buys three five foot sections, etc.