... group type. MaterialPiano wire, stainless steel, High Carbon Steel, Nickel Plated, Phosphor copper Bronze, Copper Bronze, Beryllium Copper.Wire Diameter0.1 ... /Single Style of Ends positive pole/negative poleSurface FinishNickel / Zinc / Gold / Silver / Tin / Chromium / Yellow Zinc / Oxide black or CustomizableApplicationsAerospace, Industrial, Medical ...