Reporting question for Capacitor - SoZo, Silver Mica, 1000V

Product:
Capacitor - SoZo, Silver Mica, 1000V

Question:
What type of metal are the lead wires of the Sozo silver mica caps?

Answer:
We are unsure what the leads are made of but the Sozo caps have tin coated pure copper. We suspect these are the same or of similar quality.