These Sterling wires are replaced by the superior Argentium Silver.
See our stocks of Argentium here - show Argentium Supplies
Why is Argentium superior?
94% silver (Sterling 92.5%)
Highly tarnish resistant
When soldering, firescale is all but eliminated (Argentium soldered to Argentium)
Sterling and Argentium can be soldered together. You can use traditional silver solder, or Argentium solder.
The less-tarnishing properties of Argentium Solder makes it preferred.
Can be fused instead of soldered.
Fuses to a variety of metals, including precious and non-precious metals.