Silver Filled Wire - 22 Gauge Dead Soft Round - 0.5oz (15.6ft) Silver-Filled Wire is 6% fine silver bonded to a brass core. Dead Soft Temper. Round Wire. 22 gauge (0.025in, 0.65mm). 0.5oz spool, about 15.6ft Silver-Filled wire has the same charateristics as sterling silver. Wrap it - Link it - Solder it - Embellish with it